Home / 141,889.61-195,812.39-84,521.10

Finding the Fourth Proportional to 141,889.61, 195,812.39 and 84,521.10

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Solution

The fourth proportional to 141,889.61, 195,812.39 and 84,521.10 is: 116,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,889.61 : 195,812.39 = 84,521.10 : x
  2. Step 2: Convert to fraction form
    141,889.61/195,812.39 = 84,521.10/x
  3. Step 3: Cross multiply
    141,889.61x = 195,812.39 × 84,521.10
  4. Step 4: Simplify right side
    141,889.61x = 16,550,279,542.03
  5. Step 5: Solve for x
    x = 16,550,279,542.03/141,889.61
  6. Step 6: Final answer
    x = 116,641.94

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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.