Home / 103,401.45-155,102.18-44,243.10

Finding the Fourth Proportional to 103,401.45, 155,102.18 and 44,243.10

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Solution

The fourth proportional to 103,401.45, 155,102.18 and 44,243.10 is: 66,364.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,401.45 : 155,102.18 = 44,243.10 : x
  2. Step 2: Convert to fraction form
    103,401.45/155,102.18 = 44,243.10/x
  3. Step 3: Cross multiply
    103,401.45x = 155,102.18 × 44,243.10
  4. Step 4: Simplify right side
    103,401.45x = 6,862,201,038.74
  5. Step 5: Solve for x
    x = 6,862,201,038.74/103,401.45
  6. Step 6: Final answer
    x = 66,364.65

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Similar ratio
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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.