Home / 130,594.14-180,321.72-100,331.52

Finding the Fourth Proportional to 130,594.14, 180,321.72 and 100,331.52

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Solution

The fourth proportional to 130,594.14, 180,321.72 and 100,331.52 is: 138,535.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,594.14 : 180,321.72 = 100,331.52 : x
  2. Step 2: Convert to fraction form
    130,594.14/180,321.72 = 100,331.52/x
  3. Step 3: Cross multiply
    130,594.14x = 180,321.72 × 100,331.52
  4. Step 4: Simplify right side
    130,594.14x = 18,091,952,256.61
  5. Step 5: Solve for x
    x = 18,091,952,256.61/130,594.14
  6. Step 6: Final answer
    x = 138,535.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.