Home / 141,079.21-194,693.34-77,421.22

Finding the Fourth Proportional to 141,079.21, 194,693.34 and 77,421.22

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Solution

The fourth proportional to 141,079.21, 194,693.34 and 77,421.22 is: 106,843.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,079.21 : 194,693.34 = 77,421.22 : x
  2. Step 2: Convert to fraction form
    141,079.21/194,693.34 = 77,421.22/x
  3. Step 3: Cross multiply
    141,079.21x = 194,693.34 × 77,421.22
  4. Step 4: Simplify right side
    141,079.21x = 15,073,395,908.67
  5. Step 5: Solve for x
    x = 15,073,395,908.67/141,079.21
  6. Step 6: Final answer
    x = 106,843.50

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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.