Home / 296,601.12-444,945.06-86,211.72

Finding the Fourth Proportional to 296,601.12, 444,945.06 and 86,211.72

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Solution

The fourth proportional to 296,601.12, 444,945.06 and 86,211.72 is: 129,330.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,601.12 : 444,945.06 = 86,211.72 : x
  2. Step 2: Convert to fraction form
    296,601.12/444,945.06 = 86,211.72/x
  3. Step 3: Cross multiply
    296,601.12x = 444,945.06 × 86,211.72
  4. Step 4: Simplify right side
    296,601.12x = 38,359,478,928.10
  5. Step 5: Solve for x
    x = 38,359,478,928.10/296,601.12
  6. Step 6: Final answer
    x = 129,330.19

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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.