Home / 126,581.10-189,705.56-93,144.60

Finding the Fourth Proportional to 126,581.10, 189,705.56 and 93,144.60

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Solution

The fourth proportional to 126,581.10, 189,705.56 and 93,144.60 is: 139,594.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,581.10 : 189,705.56 = 93,144.60 : x
  2. Step 2: Convert to fraction form
    126,581.10/189,705.56 = 93,144.60/x
  3. Step 3: Cross multiply
    126,581.10x = 189,705.56 × 93,144.60
  4. Step 4: Simplify right side
    126,581.10x = 17,670,048,038.25
  5. Step 5: Solve for x
    x = 17,670,048,038.25/126,581.10
  6. Step 6: Final answer
    x = 139,594.68

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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.