Home / 153,436.60-229,766.10-122,332.60

Finding the Fourth Proportional to 153,436.60, 229,766.10 and 122,332.60

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Solution

The fourth proportional to 153,436.60, 229,766.10 and 122,332.60 is: 183,188.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,436.60 : 229,766.10 = 122,332.60 : x
  2. Step 2: Convert to fraction form
    153,436.60/229,766.10 = 122,332.60/x
  3. Step 3: Cross multiply
    153,436.60x = 229,766.10 × 122,332.60
  4. Step 4: Simplify right side
    153,436.60x = 28,107,884,404.86
  5. Step 5: Solve for x
    x = 28,107,884,404.86/153,436.60
  6. Step 6: Final answer
    x = 183,188.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.