Home / 126,586.10-189,713.04-93,149.60

Finding the Fourth Proportional to 126,586.10, 189,713.04 and 93,149.60

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Solution

The fourth proportional to 126,586.10, 189,713.04 and 93,149.60 is: 139,602.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,586.10 : 189,713.04 = 93,149.60 : x
  2. Step 2: Convert to fraction form
    126,586.10/189,713.04 = 93,149.60/x
  3. Step 3: Cross multiply
    126,586.10x = 189,713.04 × 93,149.60
  4. Step 4: Simplify right side
    126,586.10x = 17,671,693,790.78
  5. Step 5: Solve for x
    x = 17,671,693,790.78/126,586.10
  6. Step 6: Final answer
    x = 139,602.17

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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.