Home / 123,350.18-170,227.37-75,594.30

Finding the Fourth Proportional to 123,350.18, 170,227.37 and 75,594.30

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Solution

The fourth proportional to 123,350.18, 170,227.37 and 75,594.30 is: 104,322.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,350.18 : 170,227.37 = 75,594.30 : x
  2. Step 2: Convert to fraction form
    123,350.18/170,227.37 = 75,594.30/x
  3. Step 3: Cross multiply
    123,350.18x = 170,227.37 × 75,594.30
  4. Step 4: Simplify right side
    123,350.18x = 12,868,218,875.99
  5. Step 5: Solve for x
    x = 12,868,218,875.99/123,350.18
  6. Step 6: Final answer
    x = 104,322.66

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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.