Home / 224,079.11-309,225.18-122,105.30

Finding the Fourth Proportional to 224,079.11, 309,225.18 and 122,105.30

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Solution

The fourth proportional to 224,079.11, 309,225.18 and 122,105.30 is: 168,503.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,079.11 : 309,225.18 = 122,105.30 : x
  2. Step 2: Convert to fraction form
    224,079.11/309,225.18 = 122,105.30/x
  3. Step 3: Cross multiply
    224,079.11x = 309,225.18 × 122,105.30
  4. Step 4: Simplify right side
    224,079.11x = 37,758,033,371.45
  5. Step 5: Solve for x
    x = 37,758,033,371.45/224,079.11
  6. Step 6: Final answer
    x = 168,503.14

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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.