Home / 298,239.12-411,563.88-162,275.76

Finding the Fourth Proportional to 298,239.12, 411,563.88 and 162,275.76

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Solution

The fourth proportional to 298,239.12, 411,563.88 and 162,275.76 is: 223,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,239.12 : 411,563.88 = 162,275.76 : x
  2. Step 2: Convert to fraction form
    298,239.12/411,563.88 = 162,275.76/x
  3. Step 3: Cross multiply
    298,239.12x = 411,563.88 × 162,275.76
  4. Step 4: Simplify right side
    298,239.12x = 66,786,841,415.55
  5. Step 5: Solve for x
    x = 66,786,841,415.55/298,239.12
  6. Step 6: Final answer
    x = 223,937.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.