Home / 185,821.20-278,646.72-59,436.96

Finding the Fourth Proportional to 185,821.20, 278,646.72 and 59,436.96

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Solution

The fourth proportional to 185,821.20, 278,646.72 and 59,436.96 is: 89,128.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,821.20 : 278,646.72 = 59,436.96 : x
  2. Step 2: Convert to fraction form
    185,821.20/278,646.72 = 59,436.96/x
  3. Step 3: Cross multiply
    185,821.20x = 278,646.72 × 59,436.96
  4. Step 4: Simplify right side
    185,821.20x = 16,561,913,950.77
  5. Step 5: Solve for x
    x = 16,561,913,950.77/185,821.20
  6. Step 6: Final answer
    x = 89,128.23

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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.