Home / 175,918.80-242,764.04-99,427.72

Finding the Fourth Proportional to 175,918.80, 242,764.04 and 99,427.72

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Solution

The fourth proportional to 175,918.80, 242,764.04 and 99,427.72 is: 137,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,918.80 : 242,764.04 = 99,427.72 : x
  2. Step 2: Convert to fraction form
    175,918.80/242,764.04 = 99,427.72/x
  3. Step 3: Cross multiply
    175,918.80x = 242,764.04 × 99,427.72
  4. Step 4: Simplify right side
    175,918.80x = 24,137,474,532.75
  5. Step 5: Solve for x
    x = 24,137,474,532.75/175,918.80
  6. Step 6: Final answer
    x = 137,208.04

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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.