Home / 103,616.85-155,425.28-95,743.65

Finding the Fourth Proportional to 103,616.85, 155,425.28 and 95,743.65

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Solution

The fourth proportional to 103,616.85, 155,425.28 and 95,743.65 is: 143,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,616.85 : 155,425.28 = 95,743.65 : x
  2. Step 2: Convert to fraction form
    103,616.85/155,425.28 = 95,743.65/x
  3. Step 3: Cross multiply
    103,616.85x = 155,425.28 × 95,743.65
  4. Step 4: Simplify right side
    103,616.85x = 14,880,983,130.75
  5. Step 5: Solve for x
    x = 14,880,983,130.75/103,616.85
  6. Step 6: Final answer
    x = 143,615.48

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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.