Home / 113,542.13-156,688.16-63,241.13

Finding the Fourth Proportional to 113,542.13, 156,688.16 and 63,241.13

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Solution

The fourth proportional to 113,542.13, 156,688.16 and 63,241.13 is: 87,272.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,542.13 : 156,688.16 = 63,241.13 : x
  2. Step 2: Convert to fraction form
    113,542.13/156,688.16 = 63,241.13/x
  3. Step 3: Cross multiply
    113,542.13x = 156,688.16 × 63,241.13
  4. Step 4: Simplify right side
    113,542.13x = 9,909,136,296.02
  5. Step 5: Solve for x
    x = 9,909,136,296.02/113,542.13
  6. Step 6: Final answer
    x = 87,272.77

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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.