Home / 135,569.60-187,097.24-75,159.19

Finding the Fourth Proportional to 135,569.60, 187,097.24 and 75,159.19

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Solution

The fourth proportional to 135,569.60, 187,097.24 and 75,159.19 is: 103,725.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,569.60 : 187,097.24 = 75,159.19 : x
  2. Step 2: Convert to fraction form
    135,569.60/187,097.24 = 75,159.19/x
  3. Step 3: Cross multiply
    135,569.60x = 187,097.24 × 75,159.19
  4. Step 4: Simplify right side
    135,569.60x = 14,062,077,431.41
  5. Step 5: Solve for x
    x = 14,062,077,431.41/135,569.60
  6. Step 6: Final answer
    x = 103,725.89

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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.