Home / 212,119.38-292,725.89-124,908.26

Finding the Fourth Proportional to 212,119.38, 292,725.89 and 124,908.26

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Solution

The fourth proportional to 212,119.38, 292,725.89 and 124,908.26 is: 172,374.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,119.38 : 292,725.89 = 124,908.26 : x
  2. Step 2: Convert to fraction form
    212,119.38/292,725.89 = 124,908.26/x
  3. Step 3: Cross multiply
    212,119.38x = 292,725.89 × 124,908.26
  4. Step 4: Simplify right side
    212,119.38x = 36,563,882,116.51
  5. Step 5: Solve for x
    x = 36,563,882,116.51/212,119.38
  6. Step 6: Final answer
    x = 172,374.08

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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.