Home / 124,391.61-186,613.92-40,156.56

Finding the Fourth Proportional to 124,391.61, 186,613.92 and 40,156.56

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Solution

The fourth proportional to 124,391.61, 186,613.92 and 40,156.56 is: 60,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,391.61 : 186,613.92 = 40,156.56 : x
  2. Step 2: Convert to fraction form
    124,391.61/186,613.92 = 40,156.56/x
  3. Step 3: Cross multiply
    124,391.61x = 186,613.92 × 40,156.56
  4. Step 4: Simplify right side
    124,391.61x = 7,493,773,075.32
  5. Step 5: Solve for x
    x = 7,493,773,075.32/124,391.61
  6. Step 6: Final answer
    x = 60,243.40

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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.