Home / 873,187.16-1,309,780.76-242,100.96

Finding the Fourth Proportional to 873,187.16, 1,309,780.76 and 242,100.96

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Solution

The fourth proportional to 873,187.16, 1,309,780.76 and 242,100.96 is: 363,151.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,187.16 : 1,309,780.76 = 242,100.96 : x
  2. Step 2: Convert to fraction form
    873,187.16/1,309,780.76 = 242,100.96/x
  3. Step 3: Cross multiply
    873,187.16x = 1,309,780.76 × 242,100.96
  4. Step 4: Simplify right side
    873,187.16x = 317,099,179,385.53
  5. Step 5: Solve for x
    x = 317,099,179,385.53/873,187.16
  6. Step 6: Final answer
    x = 363,151.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.