Home / 296,476.55-444,722.12-86,116.31

Finding the Fourth Proportional to 296,476.55, 444,722.12 and 86,116.31

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Solution

The fourth proportional to 296,476.55, 444,722.12 and 86,116.31 is: 129,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,476.55 : 444,722.12 = 86,116.31 : x
  2. Step 2: Convert to fraction form
    296,476.55/444,722.12 = 86,116.31/x
  3. Step 3: Cross multiply
    296,476.55x = 444,722.12 × 86,116.31
  4. Step 4: Simplify right side
    296,476.55x = 38,297,825,295.59
  5. Step 5: Solve for x
    x = 38,297,825,295.59/296,476.55
  6. Step 6: Final answer
    x = 129,176.58

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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.