Home / 224,278.92-336,361.02-66,470.40

Finding the Fourth Proportional to 224,278.92, 336,361.02 and 66,470.40

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Solution

The fourth proportional to 224,278.92, 336,361.02 and 66,470.40 is: 99,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,278.92 : 336,361.02 = 66,470.40 : x
  2. Step 2: Convert to fraction form
    224,278.92/336,361.02 = 66,470.40/x
  3. Step 3: Cross multiply
    224,278.92x = 336,361.02 × 66,470.40
  4. Step 4: Simplify right side
    224,278.92x = 22,358,051,543.81
  5. Step 5: Solve for x
    x = 22,358,051,543.81/224,278.92
  6. Step 6: Final answer
    x = 99,688.60

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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.