Home / 212,750.96-319,126.46-124,004.12

Finding the Fourth Proportional to 212,750.96, 319,126.46 and 124,004.12

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Solution

The fourth proportional to 212,750.96, 319,126.46 and 124,004.12 is: 186,006.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,750.96 : 319,126.46 = 124,004.12 : x
  2. Step 2: Convert to fraction form
    212,750.96/319,126.46 = 124,004.12/x
  3. Step 3: Cross multiply
    212,750.96x = 319,126.46 × 124,004.12
  4. Step 4: Simplify right side
    212,750.96x = 39,572,995,841.02
  5. Step 5: Solve for x
    x = 39,572,995,841.02/212,750.96
  6. Step 6: Final answer
    x = 186,006.19

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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.