Home / 175,720.98-242,437.78-112,079.28

Finding the Fourth Proportional to 175,720.98, 242,437.78 and 112,079.28

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Solution

The fourth proportional to 175,720.98, 242,437.78 and 112,079.28 is: 154,632.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,720.98 : 242,437.78 = 112,079.28 : x
  2. Step 2: Convert to fraction form
    175,720.98/242,437.78 = 112,079.28/x
  3. Step 3: Cross multiply
    175,720.98x = 242,437.78 × 112,079.28
  4. Step 4: Simplify right side
    175,720.98x = 27,172,251,827.20
  5. Step 5: Solve for x
    x = 27,172,251,827.20/175,720.98
  6. Step 6: Final answer
    x = 154,632.94

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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.