Home / 266,211.74-398,682.56-147,588.86

Finding the Fourth Proportional to 266,211.74, 398,682.56 and 147,588.86

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Solution

The fourth proportional to 266,211.74, 398,682.56 and 147,588.86 is: 221,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,211.74 : 398,682.56 = 147,588.86 : x
  2. Step 2: Convert to fraction form
    266,211.74/398,682.56 = 147,588.86/x
  3. Step 3: Cross multiply
    266,211.74x = 398,682.56 × 147,588.86
  4. Step 4: Simplify right side
    266,211.74x = 58,841,104,532.28
  5. Step 5: Solve for x
    x = 58,841,104,532.28/266,211.74
  6. Step 6: Final answer
    x = 221,031.22

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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.