Home / 103,620.35-155,430.53-95,747.15

Finding the Fourth Proportional to 103,620.35, 155,430.53 and 95,747.15

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Solution

The fourth proportional to 103,620.35, 155,430.53 and 95,747.15 is: 143,620.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,620.35 : 155,430.53 = 95,747.15 : x
  2. Step 2: Convert to fraction form
    103,620.35/155,430.53 = 95,747.15/x
  3. Step 3: Cross multiply
    103,620.35x = 155,430.53 × 95,747.15
  4. Step 4: Simplify right side
    103,620.35x = 14,882,030,270.49
  5. Step 5: Solve for x
    x = 14,882,030,270.49/103,620.35
  6. Step 6: Final answer
    x = 143,620.73

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1.5x scale

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.