Home / 141,186.28-194,837.28-77,528.14

Finding the Fourth Proportional to 141,186.28, 194,837.28 and 77,528.14

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Solution

The fourth proportional to 141,186.28, 194,837.28 and 77,528.14 is: 106,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,186.28 : 194,837.28 = 77,528.14 : x
  2. Step 2: Convert to fraction form
    141,186.28/194,837.28 = 77,528.14/x
  3. Step 3: Cross multiply
    141,186.28x = 194,837.28 × 77,528.14
  4. Step 4: Simplify right side
    141,186.28x = 15,105,371,921.06
  5. Step 5: Solve for x
    x = 15,105,371,921.06/141,186.28
  6. Step 6: Final answer
    x = 106,988.95

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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.