Home / 127,925.48-176,538.18-74,242.52

Finding the Fourth Proportional to 127,925.48, 176,538.18 and 74,242.52

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Solution

The fourth proportional to 127,925.48, 176,538.18 and 74,242.52 is: 102,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,925.48 : 176,538.18 = 74,242.52 : x
  2. Step 2: Convert to fraction form
    127,925.48/176,538.18 = 74,242.52/x
  3. Step 3: Cross multiply
    127,925.48x = 176,538.18 × 74,242.52
  4. Step 4: Simplify right side
    127,925.48x = 13,106,639,359.41
  5. Step 5: Solve for x
    x = 13,106,639,359.41/127,925.48
  6. Step 6: Final answer
    x = 102,455.27

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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.