Home / 224,845.72-310,278.90-129,367.24

Finding the Fourth Proportional to 224,845.72, 310,278.90 and 129,367.24

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Solution

The fourth proportional to 224,845.72, 310,278.90 and 129,367.24 is: 178,522.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,845.72 : 310,278.90 = 129,367.24 : x
  2. Step 2: Convert to fraction form
    224,845.72/310,278.90 = 129,367.24/x
  3. Step 3: Cross multiply
    224,845.72x = 310,278.90 × 129,367.24
  4. Step 4: Simplify right side
    224,845.72x = 40,139,924,923.24
  5. Step 5: Solve for x
    x = 40,139,924,923.24/224,845.72
  6. Step 6: Final answer
    x = 178,522.08

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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.