Home / 201,981.36-278,732.70-110,100.42

Finding the Fourth Proportional to 201,981.36, 278,732.70 and 110,100.42

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Solution

The fourth proportional to 201,981.36, 278,732.70 and 110,100.42 is: 151,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,981.36 : 278,732.70 = 110,100.42 : x
  2. Step 2: Convert to fraction form
    201,981.36/278,732.70 = 110,100.42/x
  3. Step 3: Cross multiply
    201,981.36x = 278,732.70 × 110,100.42
  4. Step 4: Simplify right side
    201,981.36x = 30,688,587,337.73
  5. Step 5: Solve for x
    x = 30,688,587,337.73/201,981.36
  6. Step 6: Final answer
    x = 151,937.72

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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.