Home / 154,934.25-232,499.67-66,188.40

Finding the Fourth Proportional to 154,934.25, 232,499.67 and 66,188.40

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Solution

The fourth proportional to 154,934.25, 232,499.67 and 66,188.40 is: 99,324.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,934.25 : 232,499.67 = 66,188.40 : x
  2. Step 2: Convert to fraction form
    154,934.25/232,499.67 = 66,188.40/x
  3. Step 3: Cross multiply
    154,934.25x = 232,499.67 × 66,188.40
  4. Step 4: Simplify right side
    154,934.25x = 15,388,781,157.83
  5. Step 5: Solve for x
    x = 15,388,781,157.83/154,934.25
  6. Step 6: Final answer
    x = 99,324.59

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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.