Home / 122,666.38-183,999.57-39,560.38

Finding the Fourth Proportional to 122,666.38, 183,999.57 and 39,560.38

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Solution

The fourth proportional to 122,666.38, 183,999.57 and 39,560.38 is: 59,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,666.38 : 183,999.57 = 39,560.38 : x
  2. Step 2: Convert to fraction form
    122,666.38/183,999.57 = 39,560.38/x
  3. Step 3: Cross multiply
    122,666.38x = 183,999.57 × 39,560.38
  4. Step 4: Simplify right side
    122,666.38x = 7,279,092,909.04
  5. Step 5: Solve for x
    x = 7,279,092,909.04/122,666.38
  6. Step 6: Final answer
    x = 59,340.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.