Home / 158,127.39-236,179.80-143,111.61

Finding the Fourth Proportional to 158,127.39, 236,179.80 and 143,111.61

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Solution

The fourth proportional to 158,127.39, 236,179.80 and 143,111.61 is: 213,752.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,127.39 : 236,179.80 = 143,111.61 : x
  2. Step 2: Convert to fraction form
    158,127.39/236,179.80 = 143,111.61/x
  3. Step 3: Cross multiply
    158,127.39x = 236,179.80 × 143,111.61
  4. Step 4: Simplify right side
    158,127.39x = 33,800,071,427.48
  5. Step 5: Solve for x
    x = 33,800,071,427.48/158,127.39
  6. Step 6: Final answer
    x = 213,752.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.