Home / 135,023.10-202,534.65-108,779.10

Finding the Fourth Proportional to 135,023.10, 202,534.65 and 108,779.10

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Solution

The fourth proportional to 135,023.10, 202,534.65 and 108,779.10 is: 163,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,023.10 : 202,534.65 = 108,779.10 : x
  2. Step 2: Convert to fraction form
    135,023.10/202,534.65 = 108,779.10/x
  3. Step 3: Cross multiply
    135,023.10x = 202,534.65 × 108,779.10
  4. Step 4: Simplify right side
    135,023.10x = 22,031,536,945.82
  5. Step 5: Solve for x
    x = 22,031,536,945.82/135,023.10
  6. Step 6: Final answer
    x = 163,168.65

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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.