Home / 141,916.08-195,852.68-78,253.68

Finding the Fourth Proportional to 141,916.08, 195,852.68 and 78,253.68

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Solution

The fourth proportional to 141,916.08, 195,852.68 and 78,253.68 is: 107,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,916.08 : 195,852.68 = 78,253.68 : x
  2. Step 2: Convert to fraction form
    141,916.08/195,852.68 = 78,253.68/x
  3. Step 3: Cross multiply
    141,916.08x = 195,852.68 × 78,253.68
  4. Step 4: Simplify right side
    141,916.08x = 15,326,192,947.86
  5. Step 5: Solve for x
    x = 15,326,192,947.86/141,916.08
  6. Step 6: Final answer
    x = 107,994.76

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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.