Home / 141,364.09-195,082.59-77,700.52

Finding the Fourth Proportional to 141,364.09, 195,082.59 and 77,700.52

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Solution

The fourth proportional to 141,364.09, 195,082.59 and 77,700.52 is: 107,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,364.09 : 195,082.59 = 77,700.52 : x
  2. Step 2: Convert to fraction form
    141,364.09/195,082.59 = 77,700.52/x
  3. Step 3: Cross multiply
    141,364.09x = 195,082.59 × 77,700.52
  4. Step 4: Simplify right side
    141,364.09x = 15,158,018,685.95
  5. Step 5: Solve for x
    x = 15,158,018,685.95/141,364.09
  6. Step 6: Final answer
    x = 107,226.80

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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.