Home / 141,446.01-195,195.56-77,783.79

Finding the Fourth Proportional to 141,446.01, 195,195.56 and 77,783.79

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Solution

The fourth proportional to 141,446.01, 195,195.56 and 77,783.79 is: 107,341.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,446.01 : 195,195.56 = 77,783.79 : x
  2. Step 2: Convert to fraction form
    141,446.01/195,195.56 = 77,783.79/x
  3. Step 3: Cross multiply
    141,446.01x = 195,195.56 × 77,783.79
  4. Step 4: Simplify right side
    141,446.01x = 15,183,050,791.04
  5. Step 5: Solve for x
    x = 15,183,050,791.04/141,446.01
  6. Step 6: Final answer
    x = 107,341.67

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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.