Home / 175,972.56-242,613.72-112,199.64

Finding the Fourth Proportional to 175,972.56, 242,613.72 and 112,199.64

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Solution

The fourth proportional to 175,972.56, 242,613.72 and 112,199.64 is: 154,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,972.56 : 242,613.72 = 112,199.64 : x
  2. Step 2: Convert to fraction form
    175,972.56/242,613.72 = 112,199.64/x
  3. Step 3: Cross multiply
    175,972.56x = 242,613.72 × 112,199.64
  4. Step 4: Simplify right side
    175,972.56x = 27,221,172,043.06
  5. Step 5: Solve for x
    x = 27,221,172,043.06/175,972.56
  6. Step 6: Final answer
    x = 154,689.87

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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.