Home / 110,229.40-165,344.10-79,125.40

Finding the Fourth Proportional to 110,229.40, 165,344.10 and 79,125.40

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Solution

The fourth proportional to 110,229.40, 165,344.10 and 79,125.40 is: 118,688.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,229.40 : 165,344.10 = 79,125.40 : x
  2. Step 2: Convert to fraction form
    110,229.40/165,344.10 = 79,125.40/x
  3. Step 3: Cross multiply
    110,229.40x = 165,344.10 × 79,125.40
  4. Step 4: Simplify right side
    110,229.40x = 13,082,918,050.14
  5. Step 5: Solve for x
    x = 13,082,918,050.14/110,229.40
  6. Step 6: Final answer
    x = 118,688.10

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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.