Home / 296,449.12-444,685.98-86,087.06

Finding the Fourth Proportional to 296,449.12, 444,685.98 and 86,087.06

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Solution

The fourth proportional to 296,449.12, 444,685.98 and 86,087.06 is: 129,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,449.12 : 444,685.98 = 86,087.06 : x
  2. Step 2: Convert to fraction form
    296,449.12/444,685.98 = 86,087.06/x
  3. Step 3: Cross multiply
    296,449.12x = 444,685.98 × 86,087.06
  4. Step 4: Simplify right side
    296,449.12x = 38,281,708,641.42
  5. Step 5: Solve for x
    x = 38,281,708,641.42/296,449.12
  6. Step 6: Final answer
    x = 129,134.16

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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.