Home / 147,655.33-203,713.31-83,114.19

Finding the Fourth Proportional to 147,655.33, 203,713.31 and 83,114.19

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Solution

The fourth proportional to 147,655.33, 203,713.31 and 83,114.19 is: 114,668.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,655.33 : 203,713.31 = 83,114.19 : x
  2. Step 2: Convert to fraction form
    147,655.33/203,713.31 = 83,114.19/x
  3. Step 3: Cross multiply
    147,655.33x = 203,713.31 × 83,114.19
  4. Step 4: Simplify right side
    147,655.33x = 16,931,466,960.65
  5. Step 5: Solve for x
    x = 16,931,466,960.65/147,655.33
  6. Step 6: Final answer
    x = 114,668.85

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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.