Home / 175,884.23-242,708.72-112,215.20

Finding the Fourth Proportional to 175,884.23, 242,708.72 and 112,215.20

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Solution

The fourth proportional to 175,884.23, 242,708.72 and 112,215.20 is: 154,849.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,884.23 : 242,708.72 = 112,215.20 : x
  2. Step 2: Convert to fraction form
    175,884.23/242,708.72 = 112,215.20/x
  3. Step 3: Cross multiply
    175,884.23x = 242,708.72 × 112,215.20
  4. Step 4: Simplify right side
    175,884.23x = 27,235,605,781.92
  5. Step 5: Solve for x
    x = 27,235,605,781.92/175,884.23
  6. Step 6: Final answer
    x = 154,849.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.