Home / 114,731.04-158,342.40-64,429.92

Finding the Fourth Proportional to 114,731.04, 158,342.40 and 64,429.92

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Solution

The fourth proportional to 114,731.04, 158,342.40 and 64,429.92 is: 88,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,731.04 : 158,342.40 = 64,429.92 : x
  2. Step 2: Convert to fraction form
    114,731.04/158,342.40 = 64,429.92/x
  3. Step 3: Cross multiply
    114,731.04x = 158,342.40 × 64,429.92
  4. Step 4: Simplify right side
    114,731.04x = 10,201,988,164.61
  5. Step 5: Solve for x
    x = 10,201,988,164.61/114,731.04
  6. Step 6: Final answer
    x = 88,920.91

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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.