Home / 161,951.20-223,432.40-93,930.02

Finding the Fourth Proportional to 161,951.20, 223,432.40 and 93,930.02

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Solution

The fourth proportional to 161,951.20, 223,432.40 and 93,930.02 is: 129,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,951.20 : 223,432.40 = 93,930.02 : x
  2. Step 2: Convert to fraction form
    161,951.20/223,432.40 = 93,930.02/x
  3. Step 3: Cross multiply
    161,951.20x = 223,432.40 × 93,930.02
  4. Step 4: Simplify right side
    161,951.20x = 20,987,009,800.65
  5. Step 5: Solve for x
    x = 20,987,009,800.65/161,951.20
  6. Step 6: Final answer
    x = 129,588.48

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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.