Home / 295,080.10-442,036.95-161,721.70

Finding the Fourth Proportional to 295,080.10, 442,036.95 and 161,721.70

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Solution

The fourth proportional to 295,080.10, 442,036.95 and 161,721.70 is: 242,262.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,080.10 : 442,036.95 = 161,721.70 : x
  2. Step 2: Convert to fraction form
    295,080.10/442,036.95 = 161,721.70/x
  3. Step 3: Cross multiply
    295,080.10x = 442,036.95 × 161,721.70
  4. Step 4: Simplify right side
    295,080.10x = 71,486,967,016.82
  5. Step 5: Solve for x
    x = 71,486,967,016.82/295,080.10
  6. Step 6: Final answer
    x = 242,262.92

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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.