Home / 141,146.06-194,781.74-76,615.26

Finding the Fourth Proportional to 141,146.06, 194,781.74 and 76,615.26

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Solution

The fourth proportional to 141,146.06, 194,781.74 and 76,615.26 is: 105,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,146.06 : 194,781.74 = 76,615.26 : x
  2. Step 2: Convert to fraction form
    141,146.06/194,781.74 = 76,615.26/x
  3. Step 3: Cross multiply
    141,146.06x = 194,781.74 × 76,615.26
  4. Step 4: Simplify right side
    141,146.06x = 14,923,253,598.46
  5. Step 5: Solve for x
    x = 14,923,253,598.46/141,146.06
  6. Step 6: Final answer
    x = 105,729.16

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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.