Home / 101,655.18-140,280.33-56,331.99

Finding the Fourth Proportional to 101,655.18, 140,280.33 and 56,331.99

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Solution

The fourth proportional to 101,655.18, 140,280.33 and 56,331.99 is: 77,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,655.18 : 140,280.33 = 56,331.99 : x
  2. Step 2: Convert to fraction form
    101,655.18/140,280.33 = 56,331.99/x
  3. Step 3: Cross multiply
    101,655.18x = 140,280.33 × 56,331.99
  4. Step 4: Simplify right side
    101,655.18x = 7,902,270,791.38
  5. Step 5: Solve for x
    x = 7,902,270,791.38/101,655.18
  6. Step 6: Final answer
    x = 77,736.04

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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.