Home / 194,370.78-268,232.40-112,714.95

Finding the Fourth Proportional to 194,370.78, 268,232.40 and 112,714.95

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Solution

The fourth proportional to 194,370.78, 268,232.40 and 112,714.95 is: 155,547.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,370.78 : 268,232.40 = 112,714.95 : x
  2. Step 2: Convert to fraction form
    194,370.78/268,232.40 = 112,714.95/x
  3. Step 3: Cross multiply
    194,370.78x = 268,232.40 × 112,714.95
  4. Step 4: Simplify right side
    194,370.78x = 30,233,801,554.38
  5. Step 5: Solve for x
    x = 30,233,801,554.38/194,370.78
  6. Step 6: Final answer
    x = 155,547.05

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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.