Home / 157,394.93-236,161.95-82,497.17

Finding the Fourth Proportional to 157,394.93, 236,161.95 and 82,497.17

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Solution

The fourth proportional to 157,394.93, 236,161.95 and 82,497.17 is: 123,782.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,394.93 : 236,161.95 = 82,497.17 : x
  2. Step 2: Convert to fraction form
    157,394.93/236,161.95 = 82,497.17/x
  3. Step 3: Cross multiply
    157,394.93x = 236,161.95 × 82,497.17
  4. Step 4: Simplify right side
    157,394.93x = 19,482,691,355.87
  5. Step 5: Solve for x
    x = 19,482,691,355.87/157,394.93
  6. Step 6: Final answer
    x = 123,782.21

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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.