Home / 141,563.86-195,353.23-77,895.70

Finding the Fourth Proportional to 141,563.86, 195,353.23 and 77,895.70

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Solution

The fourth proportional to 141,563.86, 195,353.23 and 77,895.70 is: 107,493.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,563.86 : 195,353.23 = 77,895.70 : x
  2. Step 2: Convert to fraction form
    141,563.86/195,353.23 = 77,895.70/x
  3. Step 3: Cross multiply
    141,563.86x = 195,353.23 × 77,895.70
  4. Step 4: Simplify right side
    141,563.86x = 15,217,176,598.11
  5. Step 5: Solve for x
    x = 15,217,176,598.11/141,563.86
  6. Step 6: Final answer
    x = 107,493.37

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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.