Home / 175,984.67-242,857.37-99,518.78

Finding the Fourth Proportional to 175,984.67, 242,857.37 and 99,518.78

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Solution

The fourth proportional to 175,984.67, 242,857.37 and 99,518.78 is: 137,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,984.67 : 242,857.37 = 99,518.78 : x
  2. Step 2: Convert to fraction form
    175,984.67/242,857.37 = 99,518.78/x
  3. Step 3: Cross multiply
    175,984.67x = 242,857.37 × 99,518.78
  4. Step 4: Simplify right side
    175,984.67x = 24,168,867,464.53
  5. Step 5: Solve for x
    x = 24,168,867,464.53/175,984.67
  6. Step 6: Final answer
    x = 137,335.08

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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.