Home / 107,359.20-160,820.10-54,798.30

Finding the Fourth Proportional to 107,359.20, 160,820.10 and 54,798.30

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Solution

The fourth proportional to 107,359.20, 160,820.10 and 54,798.30 is: 82,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,359.20 : 160,820.10 = 54,798.30 : x
  2. Step 2: Convert to fraction form
    107,359.20/160,820.10 = 54,798.30/x
  3. Step 3: Cross multiply
    107,359.20x = 160,820.10 × 54,798.30
  4. Step 4: Simplify right side
    107,359.20x = 8,812,668,085.83
  5. Step 5: Solve for x
    x = 8,812,668,085.83/107,359.20
  6. Step 6: Final answer
    x = 82,085.82

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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.