Home / 438,334.20-657,501.30-157,750.20

Finding the Fourth Proportional to 438,334.20, 657,501.30 and 157,750.20

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Solution

The fourth proportional to 438,334.20, 657,501.30 and 157,750.20 is: 236,625.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,334.20 : 657,501.30 = 157,750.20 : x
  2. Step 2: Convert to fraction form
    438,334.20/657,501.30 = 157,750.20/x
  3. Step 3: Cross multiply
    438,334.20x = 657,501.30 × 157,750.20
  4. Step 4: Simplify right side
    438,334.20x = 103,720,961,575.26
  5. Step 5: Solve for x
    x = 103,720,961,575.26/438,334.20
  6. Step 6: Final answer
    x = 236,625.30

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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.