Home / 141,059.56-194,663.52-77,399.65

Finding the Fourth Proportional to 141,059.56, 194,663.52 and 77,399.65

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Solution

The fourth proportional to 141,059.56, 194,663.52 and 77,399.65 is: 106,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,059.56 : 194,663.52 = 77,399.65 : x
  2. Step 2: Convert to fraction form
    141,059.56/194,663.52 = 77,399.65/x
  3. Step 3: Cross multiply
    141,059.56x = 194,663.52 × 77,399.65
  4. Step 4: Simplify right side
    141,059.56x = 15,066,888,315.77
  5. Step 5: Solve for x
    x = 15,066,888,315.77/141,059.56
  6. Step 6: Final answer
    x = 106,812.25

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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.