Home / 141,620.47-195,434.18-77,956.63

Finding the Fourth Proportional to 141,620.47, 195,434.18 and 77,956.63

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Solution

The fourth proportional to 141,620.47, 195,434.18 and 77,956.63 is: 107,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,620.47 : 195,434.18 = 77,956.63 : x
  2. Step 2: Convert to fraction form
    141,620.47/195,434.18 = 77,956.63/x
  3. Step 3: Cross multiply
    141,620.47x = 195,434.18 × 77,956.63
  4. Step 4: Simplify right side
    141,620.47x = 15,235,389,669.83
  5. Step 5: Solve for x
    x = 15,235,389,669.83/141,620.47
  6. Step 6: Final answer
    x = 107,579.01

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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.