Home / 123,306.02-170,162.33-66,717.39

Finding the Fourth Proportional to 123,306.02, 170,162.33 and 66,717.39

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Solution

The fourth proportional to 123,306.02, 170,162.33 and 66,717.39 is: 92,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,306.02 : 170,162.33 = 66,717.39 : x
  2. Step 2: Convert to fraction form
    123,306.02/170,162.33 = 66,717.39/x
  3. Step 3: Cross multiply
    123,306.02x = 170,162.33 × 66,717.39
  4. Step 4: Simplify right side
    123,306.02x = 11,352,786,200.33
  5. Step 5: Solve for x
    x = 11,352,786,200.33/123,306.02
  6. Step 6: Final answer
    x = 92,070.01

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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.