Home / 224,534.64-309,811.55-129,022.88

Finding the Fourth Proportional to 224,534.64, 309,811.55 and 129,022.88

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Solution

The fourth proportional to 224,534.64, 309,811.55 and 129,022.88 is: 178,025.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,534.64 : 309,811.55 = 129,022.88 : x
  2. Step 2: Convert to fraction form
    224,534.64/309,811.55 = 129,022.88/x
  3. Step 3: Cross multiply
    224,534.64x = 309,811.55 × 129,022.88
  4. Step 4: Simplify right side
    224,534.64x = 39,972,779,535.35
  5. Step 5: Solve for x
    x = 39,972,779,535.35/224,534.64
  6. Step 6: Final answer
    x = 178,025.00

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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.