Home / 127,962.54-176,530.98-74,216.28

Finding the Fourth Proportional to 127,962.54, 176,530.98 and 74,216.28

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Solution

The fourth proportional to 127,962.54, 176,530.98 and 74,216.28 is: 102,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,962.54 : 176,530.98 = 74,216.28 : x
  2. Step 2: Convert to fraction form
    127,962.54/176,530.98 = 74,216.28/x
  3. Step 3: Cross multiply
    127,962.54x = 176,530.98 × 74,216.28
  4. Step 4: Simplify right side
    127,962.54x = 13,101,472,640.35
  5. Step 5: Solve for x
    x = 13,101,472,640.35/127,962.54
  6. Step 6: Final answer
    x = 102,385.22

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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.