Home / 158,440.20-218,626.65-94,754.76

Finding the Fourth Proportional to 158,440.20, 218,626.65 and 94,754.76

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Solution

The fourth proportional to 158,440.20, 218,626.65 and 94,754.76 is: 130,749.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,440.20 : 218,626.65 = 94,754.76 : x
  2. Step 2: Convert to fraction form
    158,440.20/218,626.65 = 94,754.76/x
  3. Step 3: Cross multiply
    158,440.20x = 218,626.65 × 94,754.76
  4. Step 4: Simplify right side
    158,440.20x = 20,715,915,750.35
  5. Step 5: Solve for x
    x = 20,715,915,750.35/158,440.20
  6. Step 6: Final answer
    x = 130,749.11

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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.