Home / 159,854.31-239,826.45-69,904.92

Finding the Fourth Proportional to 159,854.31, 239,826.45 and 69,904.92

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Solution

The fourth proportional to 159,854.31, 239,826.45 and 69,904.92 is: 104,877.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,854.31 : 239,826.45 = 69,904.92 : x
  2. Step 2: Convert to fraction form
    159,854.31/239,826.45 = 69,904.92/x
  3. Step 3: Cross multiply
    159,854.31x = 239,826.45 × 69,904.92
  4. Step 4: Simplify right side
    159,854.31x = 16,765,049,962.63
  5. Step 5: Solve for x
    x = 16,765,049,962.63/159,854.31
  6. Step 6: Final answer
    x = 104,877.06

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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.