Home / 127,736.53-176,276.45-74,052.73

Finding the Fourth Proportional to 127,736.53, 176,276.45 and 74,052.73

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Solution

The fourth proportional to 127,736.53, 176,276.45 and 74,052.73 is: 102,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,736.53 : 176,276.45 = 74,052.73 : x
  2. Step 2: Convert to fraction form
    127,736.53/176,276.45 = 74,052.73/x
  3. Step 3: Cross multiply
    127,736.53x = 176,276.45 × 74,052.73
  4. Step 4: Simplify right side
    127,736.53x = 13,053,752,762.69
  5. Step 5: Solve for x
    x = 13,053,752,762.69/127,736.53
  6. Step 6: Final answer
    x = 102,192.79

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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.