Home / 316,998.18-437,502.24-196,178.40

Finding the Fourth Proportional to 316,998.18, 437,502.24 and 196,178.40

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Solution

The fourth proportional to 316,998.18, 437,502.24 and 196,178.40 is: 270,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,998.18 : 437,502.24 = 196,178.40 : x
  2. Step 2: Convert to fraction form
    316,998.18/437,502.24 = 196,178.40/x
  3. Step 3: Cross multiply
    316,998.18x = 437,502.24 × 196,178.40
  4. Step 4: Simplify right side
    316,998.18x = 85,828,489,439.62
  5. Step 5: Solve for x
    x = 85,828,489,439.62/316,998.18
  6. Step 6: Final answer
    x = 270,753.89

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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.