Home / 150,167.88-207,273.06-89,779.68

Finding the Fourth Proportional to 150,167.88, 207,273.06 and 89,779.68

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Solution

The fourth proportional to 150,167.88, 207,273.06 and 89,779.68 is: 123,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,167.88 : 207,273.06 = 89,779.68 : x
  2. Step 2: Convert to fraction form
    150,167.88/207,273.06 = 89,779.68/x
  3. Step 3: Cross multiply
    150,167.88x = 207,273.06 × 89,779.68
  4. Step 4: Simplify right side
    150,167.88x = 18,608,908,999.42
  5. Step 5: Solve for x
    x = 18,608,908,999.42/150,167.88
  6. Step 6: Final answer
    x = 123,920.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.