Home / 141,194.28-194,848.32-77,536.20

Finding the Fourth Proportional to 141,194.28, 194,848.32 and 77,536.20

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Solution

The fourth proportional to 141,194.28, 194,848.32 and 77,536.20 is: 107,000.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,194.28 : 194,848.32 = 77,536.20 : x
  2. Step 2: Convert to fraction form
    141,194.28/194,848.32 = 77,536.20/x
  3. Step 3: Cross multiply
    141,194.28x = 194,848.32 × 77,536.20
  4. Step 4: Simplify right side
    141,194.28x = 15,107,798,309.18
  5. Step 5: Solve for x
    x = 15,107,798,309.18/141,194.28
  6. Step 6: Final answer
    x = 107,000.07

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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.