Home / 158,134.24-218,227.71-86,515.46

Finding the Fourth Proportional to 158,134.24, 218,227.71 and 86,515.46

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Solution

The fourth proportional to 158,134.24, 218,227.71 and 86,515.46 is: 119,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,134.24 : 218,227.71 = 86,515.46 : x
  2. Step 2: Convert to fraction form
    158,134.24/218,227.71 = 86,515.46/x
  3. Step 3: Cross multiply
    158,134.24x = 218,227.71 × 86,515.46
  4. Step 4: Simplify right side
    158,134.24x = 18,880,069,462.04
  5. Step 5: Solve for x
    x = 18,880,069,462.04/158,134.24
  6. Step 6: Final answer
    x = 119,392.67

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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.