Home / 141,363.43-195,076.35-77,700.67

Finding the Fourth Proportional to 141,363.43, 195,076.35 and 77,700.67

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Solution

The fourth proportional to 141,363.43, 195,076.35 and 77,700.67 is: 107,224.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,363.43 : 195,076.35 = 77,700.67 : x
  2. Step 2: Convert to fraction form
    141,363.43/195,076.35 = 77,700.67/x
  3. Step 3: Cross multiply
    141,363.43x = 195,076.35 × 77,700.67
  4. Step 4: Simplify right side
    141,363.43x = 15,157,562,608.46
  5. Step 5: Solve for x
    x = 15,157,562,608.46/141,363.43
  6. Step 6: Final answer
    x = 107,224.07

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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.