Home / 141,476.02-195,236.94-77,818.12

Finding the Fourth Proportional to 141,476.02, 195,236.94 and 77,818.12

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Solution

The fourth proportional to 141,476.02, 195,236.94 and 77,818.12 is: 107,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,476.02 : 195,236.94 = 77,818.12 : x
  2. Step 2: Convert to fraction form
    141,476.02/195,236.94 = 77,818.12/x
  3. Step 3: Cross multiply
    141,476.02x = 195,236.94 × 77,818.12
  4. Step 4: Simplify right side
    141,476.02x = 15,192,971,625.35
  5. Step 5: Solve for x
    x = 15,192,971,625.35/141,476.02
  6. Step 6: Final answer
    x = 107,389.02

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1.5x scale

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.