Home / 110,870.20-166,370.86-40,798.68

Finding the Fourth Proportional to 110,870.20, 166,370.86 and 40,798.68

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Solution

The fourth proportional to 110,870.20, 166,370.86 and 40,798.68 is: 61,222.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,870.20 : 166,370.86 = 40,798.68 : x
  2. Step 2: Convert to fraction form
    110,870.20/166,370.86 = 40,798.68/x
  3. Step 3: Cross multiply
    110,870.20x = 166,370.86 × 40,798.68
  4. Step 4: Simplify right side
    110,870.20x = 6,787,711,478.46
  5. Step 5: Solve for x
    x = 6,787,711,478.46/110,870.20
  6. Step 6: Final answer
    x = 61,222.15

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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.