Home / 141,214.13-194,892.78-81,598.13

Finding the Fourth Proportional to 141,214.13, 194,892.78 and 81,598.13

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Solution

The fourth proportional to 141,214.13, 194,892.78 and 81,598.13 is: 112,615.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,214.13 : 194,892.78 = 81,598.13 : x
  2. Step 2: Convert to fraction form
    141,214.13/194,892.78 = 81,598.13/x
  3. Step 3: Cross multiply
    141,214.13x = 194,892.78 × 81,598.13
  4. Step 4: Simplify right side
    141,214.13x = 15,902,885,424.04
  5. Step 5: Solve for x
    x = 15,902,885,424.04/141,214.13
  6. Step 6: Final answer
    x = 112,615.40

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1.5x scale

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.