Home / 158,962.38-239,503.84-143,782.49

Finding the Fourth Proportional to 158,962.38, 239,503.84 and 143,782.49

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Solution

The fourth proportional to 158,962.38, 239,503.84 and 143,782.49 is: 216,632.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,962.38 : 239,503.84 = 143,782.49 : x
  2. Step 2: Convert to fraction form
    158,962.38/239,503.84 = 143,782.49/x
  3. Step 3: Cross multiply
    158,962.38x = 239,503.84 × 143,782.49
  4. Step 4: Simplify right side
    158,962.38x = 34,436,458,719.07
  5. Step 5: Solve for x
    x = 34,436,458,719.07/158,962.38
  6. Step 6: Final answer
    x = 216,632.76

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.