Home / 126,191.23-189,561.72-76,294.84

Finding the Fourth Proportional to 126,191.23, 189,561.72 and 76,294.84

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Solution

The fourth proportional to 126,191.23, 189,561.72 and 76,294.84 is: 114,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,191.23 : 189,561.72 = 76,294.84 : x
  2. Step 2: Convert to fraction form
    126,191.23/189,561.72 = 76,294.84/x
  3. Step 3: Cross multiply
    126,191.23x = 189,561.72 × 76,294.84
  4. Step 4: Simplify right side
    126,191.23x = 14,462,581,097.52
  5. Step 5: Solve for x
    x = 14,462,581,097.52/126,191.23
  6. Step 6: Final answer
    x = 114,608.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.