Home / 156,386.88-234,624-51,279.84

Finding the Fourth Proportional to 156,386.88, 234,624 and 51,279.84

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Solution

The fourth proportional to 156,386.88, 234,624 and 51,279.84 is: 76,934.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,386.88 : 234,624 = 51,279.84 : x
  2. Step 2: Convert to fraction form
    156,386.88/234,624 = 51,279.84/x
  3. Step 3: Cross multiply
    156,386.88x = 234,624 × 51,279.84
  4. Step 4: Simplify right side
    156,386.88x = 12,031,481,180.16
  5. Step 5: Solve for x
    x = 12,031,481,180.16/156,386.88
  6. Step 6: Final answer
    x = 76,934.08

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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.