Home / 103,289.51-154,839.20-40,151.63

Finding the Fourth Proportional to 103,289.51, 154,839.20 and 40,151.63

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Solution

The fourth proportional to 103,289.51, 154,839.20 and 40,151.63 is: 60,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,289.51 : 154,839.20 = 40,151.63 : x
  2. Step 2: Convert to fraction form
    103,289.51/154,839.20 = 40,151.63/x
  3. Step 3: Cross multiply
    103,289.51x = 154,839.20 × 40,151.63
  4. Step 4: Simplify right side
    103,289.51x = 6,217,046,454.24
  5. Step 5: Solve for x
    x = 6,217,046,454.24/103,289.51
  6. Step 6: Final answer
    x = 60,190.49

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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.