Home / 224,081.04-309,217.28-123,479.04

Finding the Fourth Proportional to 224,081.04, 309,217.28 and 123,479.04

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Solution

The fourth proportional to 224,081.04, 309,217.28 and 123,479.04 is: 170,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,081.04 : 309,217.28 = 123,479.04 : x
  2. Step 2: Convert to fraction form
    224,081.04/309,217.28 = 123,479.04/x
  3. Step 3: Cross multiply
    224,081.04x = 309,217.28 × 123,479.04
  4. Step 4: Simplify right side
    224,081.04x = 38,181,852,885.81
  5. Step 5: Solve for x
    x = 38,181,852,885.81/224,081.04
  6. Step 6: Final answer
    x = 170,393.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.