Home / 141,967.04-213,081.78-71,895.56

Finding the Fourth Proportional to 141,967.04, 213,081.78 and 71,895.56

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Solution

The fourth proportional to 141,967.04, 213,081.78 and 71,895.56 is: 107,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,967.04 : 213,081.78 = 71,895.56 : x
  2. Step 2: Convert to fraction form
    141,967.04/213,081.78 = 71,895.56/x
  3. Step 3: Cross multiply
    141,967.04x = 213,081.78 × 71,895.56
  4. Step 4: Simplify right side
    141,967.04x = 15,319,632,833.49
  5. Step 5: Solve for x
    x = 15,319,632,833.49/141,967.04
  6. Step 6: Final answer
    x = 107,909.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.