Home / 438,332.20-657,498.30-157,748.20

Finding the Fourth Proportional to 438,332.20, 657,498.30 and 157,748.20

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Solution

The fourth proportional to 438,332.20, 657,498.30 and 157,748.20 is: 236,622.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,332.20 : 657,498.30 = 157,748.20 : x
  2. Step 2: Convert to fraction form
    438,332.20/657,498.30 = 157,748.20/x
  3. Step 3: Cross multiply
    438,332.20x = 657,498.30 × 157,748.20
  4. Step 4: Simplify right side
    438,332.20x = 103,719,173,328.06
  5. Step 5: Solve for x
    x = 103,719,173,328.06/438,332.20
  6. Step 6: Final answer
    x = 236,622.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.