Home / 141,560.40-195,345.23-77,898.19

Finding the Fourth Proportional to 141,560.40, 195,345.23 and 77,898.19

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Solution

The fourth proportional to 141,560.40, 195,345.23 and 77,898.19 is: 107,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,560.40 : 195,345.23 = 77,898.19 : x
  2. Step 2: Convert to fraction form
    141,560.40/195,345.23 = 77,898.19/x
  3. Step 3: Cross multiply
    141,560.40x = 195,345.23 × 77,898.19
  4. Step 4: Simplify right side
    141,560.40x = 15,217,039,452.64
  5. Step 5: Solve for x
    x = 15,217,039,452.64/141,560.40
  6. Step 6: Final answer
    x = 107,495.03

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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.