Home / 159,585.12-239,406.32-66,098.08

Finding the Fourth Proportional to 159,585.12, 239,406.32 and 66,098.08

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Solution

The fourth proportional to 159,585.12, 239,406.32 and 66,098.08 is: 99,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,585.12 : 239,406.32 = 66,098.08 : x
  2. Step 2: Convert to fraction form
    159,585.12/239,406.32 = 66,098.08/x
  3. Step 3: Cross multiply
    159,585.12x = 239,406.32 × 66,098.08
  4. Step 4: Simplify right side
    159,585.12x = 15,824,298,091.87
  5. Step 5: Solve for x
    x = 15,824,298,091.87/159,585.12
  6. Step 6: Final answer
    x = 99,158.98

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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.