Home / 275,820.10-413,721.86-76,152.66

Finding the Fourth Proportional to 275,820.10, 413,721.86 and 76,152.66

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Solution

The fourth proportional to 275,820.10, 413,721.86 and 76,152.66 is: 114,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,820.10 : 413,721.86 = 76,152.66 : x
  2. Step 2: Convert to fraction form
    275,820.10/413,721.86 = 76,152.66/x
  3. Step 3: Cross multiply
    275,820.10x = 413,721.86 × 76,152.66
  4. Step 4: Simplify right side
    275,820.10x = 31,506,020,139.15
  5. Step 5: Solve for x
    x = 31,506,020,139.15/275,820.10
  6. Step 6: Final answer
    x = 114,226.70

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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.