Home / 136,052.32-187,731.52-75,623.36

Finding the Fourth Proportional to 136,052.32, 187,731.52 and 75,623.36

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Solution

The fourth proportional to 136,052.32, 187,731.52 and 75,623.36 is: 104,348.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,052.32 : 187,731.52 = 75,623.36 : x
  2. Step 2: Convert to fraction form
    136,052.32/187,731.52 = 75,623.36/x
  3. Step 3: Cross multiply
    136,052.32x = 187,731.52 × 75,623.36
  4. Step 4: Simplify right side
    136,052.32x = 14,196,888,320.31
  5. Step 5: Solve for x
    x = 14,196,888,320.31/136,052.32
  6. Step 6: Final answer
    x = 104,348.74

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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.