Home / 175,855.19-242,690.42-99,372.34

Finding the Fourth Proportional to 175,855.19, 242,690.42 and 99,372.34

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Solution

The fourth proportional to 175,855.19, 242,690.42 and 99,372.34 is: 137,139.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,855.19 : 242,690.42 = 99,372.34 : x
  2. Step 2: Convert to fraction form
    175,855.19/242,690.42 = 99,372.34/x
  3. Step 3: Cross multiply
    175,855.19x = 242,690.42 × 99,372.34
  4. Step 4: Simplify right side
    175,855.19x = 24,116,714,930.98
  5. Step 5: Solve for x
    x = 24,116,714,930.98/175,855.19
  6. Step 6: Final answer
    x = 137,139.63

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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.