Home / 175,579.98-242,301.20-99,102.31

Finding the Fourth Proportional to 175,579.98, 242,301.20 and 99,102.31

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Solution

The fourth proportional to 175,579.98, 242,301.20 and 99,102.31 is: 136,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,579.98 : 242,301.20 = 99,102.31 : x
  2. Step 2: Convert to fraction form
    175,579.98/242,301.20 = 99,102.31/x
  3. Step 3: Cross multiply
    175,579.98x = 242,301.20 × 99,102.31
  4. Step 4: Simplify right side
    175,579.98x = 24,012,608,635.77
  5. Step 5: Solve for x
    x = 24,012,608,635.77/175,579.98
  6. Step 6: Final answer
    x = 136,761.65

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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.