Home / 158,096.55-218,170.66-86,475.94

Finding the Fourth Proportional to 158,096.55, 218,170.66 and 86,475.94

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Solution

The fourth proportional to 158,096.55, 218,170.66 and 86,475.94 is: 119,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,096.55 : 218,170.66 = 86,475.94 : x
  2. Step 2: Convert to fraction form
    158,096.55/218,170.66 = 86,475.94/x
  3. Step 3: Cross multiply
    158,096.55x = 218,170.66 × 86,475.94
  4. Step 4: Simplify right side
    158,096.55x = 18,866,512,903.92
  5. Step 5: Solve for x
    x = 18,866,512,903.92/158,096.55
  6. Step 6: Final answer
    x = 119,335.39

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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.