Home / 224,427.33-309,429.59-143,722.17

Finding the Fourth Proportional to 224,427.33, 309,429.59 and 143,722.17

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Solution

The fourth proportional to 224,427.33, 309,429.59 and 143,722.17 is: 198,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,427.33 : 309,429.59 = 143,722.17 : x
  2. Step 2: Convert to fraction form
    224,427.33/309,429.59 = 143,722.17/x
  3. Step 3: Cross multiply
    224,427.33x = 309,429.59 × 143,722.17
  4. Step 4: Simplify right side
    224,427.33x = 44,471,891,418.40
  5. Step 5: Solve for x
    x = 44,471,891,418.40/224,427.33
  6. Step 6: Final answer
    x = 198,157.20

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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.