Home / 251,780.24-377,707.25-74,264.15

Finding the Fourth Proportional to 251,780.24, 377,707.25 and 74,264.15

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Solution

The fourth proportional to 251,780.24, 377,707.25 and 74,264.15 is: 111,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,780.24 : 377,707.25 = 74,264.15 : x
  2. Step 2: Convert to fraction form
    251,780.24/377,707.25 = 74,264.15/x
  3. Step 3: Cross multiply
    251,780.24x = 377,707.25 × 74,264.15
  4. Step 4: Simplify right side
    251,780.24x = 28,050,109,000.02
  5. Step 5: Solve for x
    x = 28,050,109,000.02/251,780.24
  6. Step 6: Final answer
    x = 111,407.11

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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.