Home / 137,330.96-189,535.92-99,213.83

Finding the Fourth Proportional to 137,330.96, 189,535.92 and 99,213.83

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Solution

The fourth proportional to 137,330.96, 189,535.92 and 99,213.83 is: 136,928.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,330.96 : 189,535.92 = 99,213.83 : x
  2. Step 2: Convert to fraction form
    137,330.96/189,535.92 = 99,213.83/x
  3. Step 3: Cross multiply
    137,330.96x = 189,535.92 × 99,213.83
  4. Step 4: Simplify right side
    137,330.96x = 18,804,584,545.77
  5. Step 5: Solve for x
    x = 18,804,584,545.77/137,330.96
  6. Step 6: Final answer
    x = 136,928.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.