Home / 111,013.53-153,202.55-63,259.17

Finding the Fourth Proportional to 111,013.53, 153,202.55 and 63,259.17

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Solution

The fourth proportional to 111,013.53, 153,202.55 and 63,259.17 is: 87,299.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,013.53 : 153,202.55 = 63,259.17 : x
  2. Step 2: Convert to fraction form
    111,013.53/153,202.55 = 63,259.17/x
  3. Step 3: Cross multiply
    111,013.53x = 153,202.55 × 63,259.17
  4. Step 4: Simplify right side
    111,013.53x = 9,691,466,154.88
  5. Step 5: Solve for x
    x = 9,691,466,154.88/111,013.53
  6. Step 6: Final answer
    x = 87,299.86

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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.