Home / 141,734.81-195,594.04-78,073.98

Finding the Fourth Proportional to 141,734.81, 195,594.04 and 78,073.98

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Solution

The fourth proportional to 141,734.81, 195,594.04 and 78,073.98 is: 107,742.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,734.81 : 195,594.04 = 78,073.98 : x
  2. Step 2: Convert to fraction form
    141,734.81/195,594.04 = 78,073.98/x
  3. Step 3: Cross multiply
    141,734.81x = 195,594.04 × 78,073.98
  4. Step 4: Simplify right side
    141,734.81x = 15,270,804,531.19
  5. Step 5: Solve for x
    x = 15,270,804,531.19/141,734.81
  6. Step 6: Final answer
    x = 107,742.09

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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.