Home / 160,700.45-221,765.13-88,107.37

Finding the Fourth Proportional to 160,700.45, 221,765.13 and 88,107.37

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Solution

The fourth proportional to 160,700.45, 221,765.13 and 88,107.37 is: 121,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,700.45 : 221,765.13 = 88,107.37 : x
  2. Step 2: Convert to fraction form
    160,700.45/221,765.13 = 88,107.37/x
  3. Step 3: Cross multiply
    160,700.45x = 221,765.13 × 88,107.37
  4. Step 4: Simplify right side
    160,700.45x = 19,539,143,463.28
  5. Step 5: Solve for x
    x = 19,539,143,463.28/160,700.45
  6. Step 6: Final answer
    x = 121,587.36

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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.