Home / 175,781.85-263,688.35-49,423.20

Finding the Fourth Proportional to 175,781.85, 263,688.35 and 49,423.20

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Solution

The fourth proportional to 175,781.85, 263,688.35 and 49,423.20 is: 74,139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,781.85 : 263,688.35 = 49,423.20 : x
  2. Step 2: Convert to fraction form
    175,781.85/263,688.35 = 49,423.20/x
  3. Step 3: Cross multiply
    175,781.85x = 263,688.35 × 49,423.20
  4. Step 4: Simplify right side
    175,781.85x = 13,032,320,823.77
  5. Step 5: Solve for x
    x = 13,032,320,823.77/175,781.85
  6. Step 6: Final answer
    x = 74,139.17

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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.