Home / 113,646.25-156,899.10-101,036.17

Finding the Fourth Proportional to 113,646.25, 156,899.10 and 101,036.17

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Solution

The fourth proportional to 113,646.25, 156,899.10 and 101,036.17 is: 139,489.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,646.25 : 156,899.10 = 101,036.17 : x
  2. Step 2: Convert to fraction form
    113,646.25/156,899.10 = 101,036.17/x
  3. Step 3: Cross multiply
    113,646.25x = 156,899.10 × 101,036.17
  4. Step 4: Simplify right side
    113,646.25x = 15,852,484,140.45
  5. Step 5: Solve for x
    x = 15,852,484,140.45/113,646.25
  6. Step 6: Final answer
    x = 139,489.72

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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.