Home / 159,815.64-239,661.12-59,921.40

Finding the Fourth Proportional to 159,815.64, 239,661.12 and 59,921.40

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Solution

The fourth proportional to 159,815.64, 239,661.12 and 59,921.40 is: 89,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,815.64 : 239,661.12 = 59,921.40 : x
  2. Step 2: Convert to fraction form
    159,815.64/239,661.12 = 59,921.40/x
  3. Step 3: Cross multiply
    159,815.64x = 239,661.12 × 59,921.40
  4. Step 4: Simplify right side
    159,815.64x = 14,360,829,835.97
  5. Step 5: Solve for x
    x = 14,360,829,835.97/159,815.64
  6. Step 6: Final answer
    x = 89,858.73

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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.