Home / 136,146.35-187,886.59-74,895.24

Finding the Fourth Proportional to 136,146.35, 187,886.59 and 74,895.24

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Solution

The fourth proportional to 136,146.35, 187,886.59 and 74,895.24 is: 103,357.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,146.35 : 187,886.59 = 74,895.24 : x
  2. Step 2: Convert to fraction form
    136,146.35/187,886.59 = 74,895.24/x
  3. Step 3: Cross multiply
    136,146.35x = 187,886.59 × 74,895.24
  4. Step 4: Simplify right side
    136,146.35x = 14,071,811,132.59
  5. Step 5: Solve for x
    x = 14,071,811,132.59/136,146.35
  6. Step 6: Final answer
    x = 103,357.97

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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.