Home / 159,623.60-239,435.40-54,561.20

Finding the Fourth Proportional to 159,623.60, 239,435.40 and 54,561.20

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Solution

The fourth proportional to 159,623.60, 239,435.40 and 54,561.20 is: 81,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,623.60 : 239,435.40 = 54,561.20 : x
  2. Step 2: Convert to fraction form
    159,623.60/239,435.40 = 54,561.20/x
  3. Step 3: Cross multiply
    159,623.60x = 239,435.40 × 54,561.20
  4. Step 4: Simplify right side
    159,623.60x = 13,063,882,746.48
  5. Step 5: Solve for x
    x = 13,063,882,746.48/159,623.60
  6. Step 6: Final answer
    x = 81,841.80

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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.