Home / 159,637.20-239,369.40-66,037.20

Finding the Fourth Proportional to 159,637.20, 239,369.40 and 66,037.20

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Solution

The fourth proportional to 159,637.20, 239,369.40 and 66,037.20 is: 99,020.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,637.20 : 239,369.40 = 66,037.20 : x
  2. Step 2: Convert to fraction form
    159,637.20/239,369.40 = 66,037.20/x
  3. Step 3: Cross multiply
    159,637.20x = 239,369.40 × 66,037.20
  4. Step 4: Simplify right side
    159,637.20x = 15,807,284,941.68
  5. Step 5: Solve for x
    x = 15,807,284,941.68/159,637.20
  6. Step 6: Final answer
    x = 99,020.06

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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.