Home / 141,274.81-194,959.32-77,616.71

Finding the Fourth Proportional to 141,274.81, 194,959.32 and 77,616.71

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Solution

The fourth proportional to 141,274.81, 194,959.32 and 77,616.71 is: 107,111.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,274.81 : 194,959.32 = 77,616.71 : x
  2. Step 2: Convert to fraction form
    141,274.81/194,959.32 = 77,616.71/x
  3. Step 3: Cross multiply
    141,274.81x = 194,959.32 × 77,616.71
  4. Step 4: Simplify right side
    141,274.81x = 15,132,101,002.24
  5. Step 5: Solve for x
    x = 15,132,101,002.24/141,274.81
  6. Step 6: Final answer
    x = 107,111.10

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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.