Home / 111,166.68-153,395.76-63,417.24

Finding the Fourth Proportional to 111,166.68, 153,395.76 and 63,417.24

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Solution

The fourth proportional to 111,166.68, 153,395.76 and 63,417.24 is: 87,507.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,166.68 : 153,395.76 = 63,417.24 : x
  2. Step 2: Convert to fraction form
    111,166.68/153,395.76 = 63,417.24/x
  3. Step 3: Cross multiply
    111,166.68x = 153,395.76 × 63,417.24
  4. Step 4: Simplify right side
    111,166.68x = 9,727,935,726.90
  5. Step 5: Solve for x
    x = 9,727,935,726.90/111,166.68
  6. Step 6: Final answer
    x = 87,507.66

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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.