Home / 141,500.64-195,266.74-77,838.40

Finding the Fourth Proportional to 141,500.64, 195,266.74 and 77,838.40

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Solution

The fourth proportional to 141,500.64, 195,266.74 and 77,838.40 is: 107,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,500.64 : 195,266.74 = 77,838.40 : x
  2. Step 2: Convert to fraction form
    141,500.64/195,266.74 = 77,838.40/x
  3. Step 3: Cross multiply
    141,500.64x = 195,266.74 × 77,838.40
  4. Step 4: Simplify right side
    141,500.64x = 15,199,250,614.82
  5. Step 5: Solve for x
    x = 15,199,250,614.82/141,500.64
  6. Step 6: Final answer
    x = 107,414.71

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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.