Home / 178,821.70-268,232.55-119,724.10

Finding the Fourth Proportional to 178,821.70, 268,232.55 and 119,724.10

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Solution

The fourth proportional to 178,821.70, 268,232.55 and 119,724.10 is: 179,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,821.70 : 268,232.55 = 119,724.10 : x
  2. Step 2: Convert to fraction form
    178,821.70/268,232.55 = 119,724.10/x
  3. Step 3: Cross multiply
    178,821.70x = 268,232.55 × 119,724.10
  4. Step 4: Simplify right side
    178,821.70x = 32,113,900,639.46
  5. Step 5: Solve for x
    x = 32,113,900,639.46/178,821.70
  6. Step 6: Final answer
    x = 179,586.15

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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.