Home / 157,394.77-236,161.86-82,497.11

Finding the Fourth Proportional to 157,394.77, 236,161.86 and 82,497.11

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Solution

The fourth proportional to 157,394.77, 236,161.86 and 82,497.11 is: 123,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,394.77 : 236,161.86 = 82,497.11 : x
  2. Step 2: Convert to fraction form
    157,394.77/236,161.86 = 82,497.11/x
  3. Step 3: Cross multiply
    157,394.77x = 236,161.86 × 82,497.11
  4. Step 4: Simplify right side
    157,394.77x = 19,482,669,761.42
  5. Step 5: Solve for x
    x = 19,482,669,761.42/157,394.77
  6. Step 6: Final answer
    x = 123,782.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.