Home / 98,778.29-148,152.35-32,218.30

Finding the Fourth Proportional to 98,778.29, 148,152.35 and 32,218.30

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Solution

The fourth proportional to 98,778.29, 148,152.35 and 32,218.30 is: 48,322.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,778.29 : 148,152.35 = 32,218.30 : x
  2. Step 2: Convert to fraction form
    98,778.29/148,152.35 = 32,218.30/x
  3. Step 3: Cross multiply
    98,778.29x = 148,152.35 × 32,218.30
  4. Step 4: Simplify right side
    98,778.29x = 4,773,216,568.17
  5. Step 5: Solve for x
    x = 4,773,216,568.17/98,778.29
  6. Step 6: Final answer
    x = 48,322.53

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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.