Home / 135,123.92-202,690-46,376.16

Finding the Fourth Proportional to 135,123.92, 202,690 and 46,376.16

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Solution

The fourth proportional to 135,123.92, 202,690 and 46,376.16 is: 69,565.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,123.92 : 202,690 = 46,376.16 : x
  2. Step 2: Convert to fraction form
    135,123.92/202,690 = 46,376.16/x
  3. Step 3: Cross multiply
    135,123.92x = 202,690 × 46,376.16
  4. Step 4: Simplify right side
    135,123.92x = 9,399,983,870.40
  5. Step 5: Solve for x
    x = 9,399,983,870.40/135,123.92
  6. Step 6: Final answer
    x = 69,565.65

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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.