Home / 316,758.31-437,126.55-173,523.45

Finding the Fourth Proportional to 316,758.31, 437,126.55 and 173,523.45

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Solution

The fourth proportional to 316,758.31, 437,126.55 and 173,523.45 is: 239,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,758.31 : 437,126.55 = 173,523.45 : x
  2. Step 2: Convert to fraction form
    316,758.31/437,126.55 = 173,523.45/x
  3. Step 3: Cross multiply
    316,758.31x = 437,126.55 × 173,523.45
  4. Step 4: Simplify right side
    316,758.31x = 75,851,704,856.96
  5. Step 5: Solve for x
    x = 75,851,704,856.96/316,758.31
  6. Step 6: Final answer
    x = 239,462.40

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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.