Home / 316,848.38-437,250.78-173,613.56

Finding the Fourth Proportional to 316,848.38, 437,250.78 and 173,613.56

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Solution

The fourth proportional to 316,848.38, 437,250.78 and 173,613.56 is: 239,586.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,848.38 : 437,250.78 = 173,613.56 : x
  2. Step 2: Convert to fraction form
    316,848.38/437,250.78 = 173,613.56/x
  3. Step 3: Cross multiply
    316,848.38x = 437,250.78 × 173,613.56
  4. Step 4: Simplify right side
    316,848.38x = 75,912,662,342.32
  5. Step 5: Solve for x
    x = 75,912,662,342.32/316,848.38
  6. Step 6: Final answer
    x = 239,586.72

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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.