Home / 126,585.60-189,712.29-93,149.10

Finding the Fourth Proportional to 126,585.60, 189,712.29 and 93,149.10

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Solution

The fourth proportional to 126,585.60, 189,712.29 and 93,149.10 is: 139,601.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,585.60 : 189,712.29 = 93,149.10 : x
  2. Step 2: Convert to fraction form
    126,585.60/189,712.29 = 93,149.10/x
  3. Step 3: Cross multiply
    126,585.60x = 189,712.29 × 93,149.10
  4. Step 4: Simplify right side
    126,585.60x = 17,671,529,072.44
  5. Step 5: Solve for x
    x = 17,671,529,072.44/126,585.60
  6. Step 6: Final answer
    x = 139,601.42

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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.