Home / 160,211.68-221,086.14-88,590.40

Finding the Fourth Proportional to 160,211.68, 221,086.14 and 88,590.40

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Solution

The fourth proportional to 160,211.68, 221,086.14 and 88,590.40 is: 122,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,211.68 : 221,086.14 = 88,590.40 : x
  2. Step 2: Convert to fraction form
    160,211.68/221,086.14 = 88,590.40/x
  3. Step 3: Cross multiply
    160,211.68x = 221,086.14 × 88,590.40
  4. Step 4: Simplify right side
    160,211.68x = 19,586,109,577.06
  5. Step 5: Solve for x
    x = 19,586,109,577.06/160,211.68
  6. Step 6: Final answer
    x = 122,251.45

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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.