Home / 125,316.26-187,985.43-35,359.76

Finding the Fourth Proportional to 125,316.26, 187,985.43 and 35,359.76

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Solution

The fourth proportional to 125,316.26, 187,985.43 and 35,359.76 is: 53,042.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,316.26 : 187,985.43 = 35,359.76 : x
  2. Step 2: Convert to fraction form
    125,316.26/187,985.43 = 35,359.76/x
  3. Step 3: Cross multiply
    125,316.26x = 187,985.43 × 35,359.76
  4. Step 4: Simplify right side
    125,316.26x = 6,647,119,688.30
  5. Step 5: Solve for x
    x = 6,647,119,688.30/125,316.26
  6. Step 6: Final answer
    x = 53,042.76

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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.