Home / 141,082.48-194,693.25-77,421.34

Finding the Fourth Proportional to 141,082.48, 194,693.25 and 77,421.34

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Solution

The fourth proportional to 141,082.48, 194,693.25 and 77,421.34 is: 106,841.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,082.48 : 194,693.25 = 77,421.34 : x
  2. Step 2: Convert to fraction form
    141,082.48/194,693.25 = 77,421.34/x
  3. Step 3: Cross multiply
    141,082.48x = 194,693.25 × 77,421.34
  4. Step 4: Simplify right side
    141,082.48x = 15,073,412,303.96
  5. Step 5: Solve for x
    x = 15,073,412,303.96/141,082.48
  6. Step 6: Final answer
    x = 106,841.14

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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.