Home / 150,955.29-208,286.51-83,885.85

Finding the Fourth Proportional to 150,955.29, 208,286.51 and 83,885.85

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Solution

The fourth proportional to 150,955.29, 208,286.51 and 83,885.85 is: 115,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,955.29 : 208,286.51 = 83,885.85 : x
  2. Step 2: Convert to fraction form
    150,955.29/208,286.51 = 83,885.85/x
  3. Step 3: Cross multiply
    150,955.29x = 208,286.51 × 83,885.85
  4. Step 4: Simplify right side
    150,955.29x = 17,472,290,515.45
  5. Step 5: Solve for x
    x = 17,472,290,515.45/150,955.29
  6. Step 6: Final answer
    x = 115,744.80

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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.