Home / 121,152.60-181,340.10-94,714.20

Finding the Fourth Proportional to 121,152.60, 181,340.10 and 94,714.20

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Solution

The fourth proportional to 121,152.60, 181,340.10 and 94,714.20 is: 141,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,152.60 : 181,340.10 = 94,714.20 : x
  2. Step 2: Convert to fraction form
    121,152.60/181,340.10 = 94,714.20/x
  3. Step 3: Cross multiply
    121,152.60x = 181,340.10 × 94,714.20
  4. Step 4: Simplify right side
    121,152.60x = 17,175,482,499.42
  5. Step 5: Solve for x
    x = 17,175,482,499.42/121,152.60
  6. Step 6: Final answer
    x = 141,767.35

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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.