Home / 121,565.60-181,748.98-103,052.24

Finding the Fourth Proportional to 121,565.60, 181,748.98 and 103,052.24

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Solution

The fourth proportional to 121,565.60, 181,748.98 and 103,052.24 is: 154,070.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,565.60 : 181,748.98 = 103,052.24 : x
  2. Step 2: Convert to fraction form
    121,565.60/181,748.98 = 103,052.24/x
  3. Step 3: Cross multiply
    121,565.60x = 181,748.98 × 103,052.24
  4. Step 4: Simplify right side
    121,565.60x = 18,729,639,506.72
  5. Step 5: Solve for x
    x = 18,729,639,506.72/121,565.60
  6. Step 6: Final answer
    x = 154,070.23

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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.