Home / 181,569.60-272,257.20-76,269.60

Finding the Fourth Proportional to 181,569.60, 272,257.20 and 76,269.60

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Solution

The fourth proportional to 181,569.60, 272,257.20 and 76,269.60 is: 114,363.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,569.60 : 272,257.20 = 76,269.60 : x
  2. Step 2: Convert to fraction form
    181,569.60/272,257.20 = 76,269.60/x
  3. Step 3: Cross multiply
    181,569.60x = 272,257.20 × 76,269.60
  4. Step 4: Simplify right side
    181,569.60x = 20,764,947,741.12
  5. Step 5: Solve for x
    x = 20,764,947,741.12/181,569.60
  6. Step 6: Final answer
    x = 114,363.57

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1.5x scale

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.