Home / 124,613.40-186,798.60-71,250.60

Finding the Fourth Proportional to 124,613.40, 186,798.60 and 71,250.60

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Solution

The fourth proportional to 124,613.40, 186,798.60 and 71,250.60 is: 106,806.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,613.40 : 186,798.60 = 71,250.60 : x
  2. Step 2: Convert to fraction form
    124,613.40/186,798.60 = 71,250.60/x
  3. Step 3: Cross multiply
    124,613.40x = 186,798.60 × 71,250.60
  4. Step 4: Simplify right side
    124,613.40x = 13,309,512,329.16
  5. Step 5: Solve for x
    x = 13,309,512,329.16/124,613.40
  6. Step 6: Final answer
    x = 106,806.43

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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.