Home / 109,330.16-163,938.93-50,115.11

Finding the Fourth Proportional to 109,330.16, 163,938.93 and 50,115.11

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Solution

The fourth proportional to 109,330.16, 163,938.93 and 50,115.11 is: 75,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,330.16 : 163,938.93 = 50,115.11 : x
  2. Step 2: Convert to fraction form
    109,330.16/163,938.93 = 50,115.11/x
  3. Step 3: Cross multiply
    109,330.16x = 163,938.93 × 50,115.11
  4. Step 4: Simplify right side
    109,330.16x = 8,215,816,690.54
  5. Step 5: Solve for x
    x = 8,215,816,690.54/109,330.16
  6. Step 6: Final answer
    x = 75,146.85

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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.