Home / 103,345.20-155,032.20-44,180.40

Finding the Fourth Proportional to 103,345.20, 155,032.20 and 44,180.40

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Solution

The fourth proportional to 103,345.20, 155,032.20 and 44,180.40 is: 66,276.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,345.20 : 155,032.20 = 44,180.40 : x
  2. Step 2: Convert to fraction form
    103,345.20/155,032.20 = 44,180.40/x
  3. Step 3: Cross multiply
    103,345.20x = 155,032.20 × 44,180.40
  4. Step 4: Simplify right side
    103,345.20x = 6,849,384,608.88
  5. Step 5: Solve for x
    x = 6,849,384,608.88/103,345.20
  6. Step 6: Final answer
    x = 66,276.76

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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.