Home / 316,861.28-437,268.51-173,626.70

Finding the Fourth Proportional to 316,861.28, 437,268.51 and 173,626.70

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Solution

The fourth proportional to 316,861.28, 437,268.51 and 173,626.70 is: 239,604.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,861.28 : 437,268.51 = 173,626.70 : x
  2. Step 2: Convert to fraction form
    316,861.28/437,268.51 = 173,626.70/x
  3. Step 3: Cross multiply
    316,861.28x = 437,268.51 × 173,626.70
  4. Step 4: Simplify right side
    316,861.28x = 75,921,488,405.22
  5. Step 5: Solve for x
    x = 75,921,488,405.22/316,861.28
  6. Step 6: Final answer
    x = 239,604.82

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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.