Home / 103,359.20-155,038.80-44,200.85

Finding the Fourth Proportional to 103,359.20, 155,038.80 and 44,200.85

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Solution

The fourth proportional to 103,359.20, 155,038.80 and 44,200.85 is: 66,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,359.20 : 155,038.80 = 44,200.85 : x
  2. Step 2: Convert to fraction form
    103,359.20/155,038.80 = 44,200.85/x
  3. Step 3: Cross multiply
    103,359.20x = 155,038.80 × 44,200.85
  4. Step 4: Simplify right side
    103,359.20x = 6,852,846,742.98
  5. Step 5: Solve for x
    x = 6,852,846,742.98/103,359.20
  6. Step 6: Final answer
    x = 66,301.28

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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.