Home / 120,616.07-166,341.24-75,298.26

Finding the Fourth Proportional to 120,616.07, 166,341.24 and 75,298.26

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Solution

The fourth proportional to 120,616.07, 166,341.24 and 75,298.26 is: 103,843.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,616.07 : 166,341.24 = 75,298.26 : x
  2. Step 2: Convert to fraction form
    120,616.07/166,341.24 = 75,298.26/x
  3. Step 3: Cross multiply
    120,616.07x = 166,341.24 × 75,298.26
  4. Step 4: Simplify right side
    120,616.07x = 12,525,205,938.24
  5. Step 5: Solve for x
    x = 12,525,205,938.24/120,616.07
  6. Step 6: Final answer
    x = 103,843.59

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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.