Home / 123,212.02-170,025.54-69,493.84

Finding the Fourth Proportional to 123,212.02, 170,025.54 and 69,493.84

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Solution

The fourth proportional to 123,212.02, 170,025.54 and 69,493.84 is: 95,897.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,212.02 : 170,025.54 = 69,493.84 : x
  2. Step 2: Convert to fraction form
    123,212.02/170,025.54 = 69,493.84/x
  3. Step 3: Cross multiply
    123,212.02x = 170,025.54 × 69,493.84
  4. Step 4: Simplify right side
    123,212.02x = 11,815,727,672.67
  5. Step 5: Solve for x
    x = 11,815,727,672.67/123,212.02
  6. Step 6: Final answer
    x = 95,897.52

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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.