Home / 120,822.03-181,186.85-39,750.19

Finding the Fourth Proportional to 120,822.03, 181,186.85 and 39,750.19

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Solution

The fourth proportional to 120,822.03, 181,186.85 and 39,750.19 is: 59,610.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,822.03 : 181,186.85 = 39,750.19 : x
  2. Step 2: Convert to fraction form
    120,822.03/181,186.85 = 39,750.19/x
  3. Step 3: Cross multiply
    120,822.03x = 181,186.85 × 39,750.19
  4. Step 4: Simplify right side
    120,822.03x = 7,202,211,359.41
  5. Step 5: Solve for x
    x = 7,202,211,359.41/120,822.03
  6. Step 6: Final answer
    x = 59,610.08

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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.