Home / 141,883.43-195,800.47-78,223.50

Finding the Fourth Proportional to 141,883.43, 195,800.47 and 78,223.50

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Solution

The fourth proportional to 141,883.43, 195,800.47 and 78,223.50 is: 107,949.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,883.43 : 195,800.47 = 78,223.50 : x
  2. Step 2: Convert to fraction form
    141,883.43/195,800.47 = 78,223.50/x
  3. Step 3: Cross multiply
    141,883.43x = 195,800.47 × 78,223.50
  4. Step 4: Simplify right side
    141,883.43x = 15,316,197,869.49
  5. Step 5: Solve for x
    x = 15,316,197,869.49/141,883.43
  6. Step 6: Final answer
    x = 107,949.17

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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.