Home / 153,904.11-230,869.33-54,055.61

Finding the Fourth Proportional to 153,904.11, 230,869.33 and 54,055.61

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Solution

The fourth proportional to 153,904.11, 230,869.33 and 54,055.61 is: 81,088.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,904.11 : 230,869.33 = 54,055.61 : x
  2. Step 2: Convert to fraction form
    153,904.11/230,869.33 = 54,055.61/x
  3. Step 3: Cross multiply
    153,904.11x = 230,869.33 × 54,055.61
  4. Step 4: Simplify right side
    153,904.11x = 12,479,782,463.44
  5. Step 5: Solve for x
    x = 12,479,782,463.44/153,904.11
  6. Step 6: Final answer
    x = 81,088.04

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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.