Home / 107,908.42-148,910.55-60,160.78

Finding the Fourth Proportional to 107,908.42, 148,910.55 and 60,160.78

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Solution

The fourth proportional to 107,908.42, 148,910.55 and 60,160.78 is: 83,020.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,908.42 : 148,910.55 = 60,160.78 : x
  2. Step 2: Convert to fraction form
    107,908.42/148,910.55 = 60,160.78/x
  3. Step 3: Cross multiply
    107,908.42x = 148,910.55 × 60,160.78
  4. Step 4: Simplify right side
    107,908.42x = 8,958,574,838.23
  5. Step 5: Solve for x
    x = 8,958,574,838.23/107,908.42
  6. Step 6: Final answer
    x = 83,020.17

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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.