Home / 127,642.28-176,133.62-73,944.58

Finding the Fourth Proportional to 127,642.28, 176,133.62 and 73,944.58

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Solution

The fourth proportional to 127,642.28, 176,133.62 and 73,944.58 is: 102,036.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,642.28 : 176,133.62 = 73,944.58 : x
  2. Step 2: Convert to fraction form
    127,642.28/176,133.62 = 73,944.58/x
  3. Step 3: Cross multiply
    127,642.28x = 176,133.62 × 73,944.58
  4. Step 4: Simplify right side
    127,642.28x = 13,024,126,554.78
  5. Step 5: Solve for x
    x = 13,024,126,554.78/127,642.28
  6. Step 6: Final answer
    x = 102,036.15

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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.