Home / 98,779.20-148,190.40-32,222.40

Finding the Fourth Proportional to 98,779.20, 148,190.40 and 32,222.40

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Solution

The fourth proportional to 98,779.20, 148,190.40 and 32,222.40 is: 48,340.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,779.20 : 148,190.40 = 32,222.40 : x
  2. Step 2: Convert to fraction form
    98,779.20/148,190.40 = 32,222.40/x
  3. Step 3: Cross multiply
    98,779.20x = 148,190.40 × 32,222.40
  4. Step 4: Simplify right side
    98,779.20x = 4,775,050,344.96
  5. Step 5: Solve for x
    x = 4,775,050,344.96/98,779.20
  6. Step 6: Final answer
    x = 48,340.65

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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.