Home / 102,101.76-153,139.20-35,527.68

Finding the Fourth Proportional to 102,101.76, 153,139.20 and 35,527.68

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Solution

The fourth proportional to 102,101.76, 153,139.20 and 35,527.68 is: 53,286.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,101.76 : 153,139.20 = 35,527.68 : x
  2. Step 2: Convert to fraction form
    102,101.76/153,139.20 = 35,527.68/x
  3. Step 3: Cross multiply
    102,101.76x = 153,139.20 × 35,527.68
  4. Step 4: Simplify right side
    102,101.76x = 5,440,680,493.06
  5. Step 5: Solve for x
    x = 5,440,680,493.06/102,101.76
  6. Step 6: Final answer
    x = 53,286.84

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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.