Home / 316,921.75-437,352.15-182,785.75

Finding the Fourth Proportional to 316,921.75, 437,352.15 and 182,785.75

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Solution

The fourth proportional to 316,921.75, 437,352.15 and 182,785.75 is: 252,244.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,921.75 : 437,352.15 = 182,785.75 : x
  2. Step 2: Convert to fraction form
    316,921.75/437,352.15 = 182,785.75/x
  3. Step 3: Cross multiply
    316,921.75x = 437,352.15 × 182,785.75
  4. Step 4: Simplify right side
    316,921.75x = 79,941,740,751.86
  5. Step 5: Solve for x
    x = 79,941,740,751.86/316,921.75
  6. Step 6: Final answer
    x = 252,244.41

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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.