Home / 126,069.70-189,104.55-116,446.90

Finding the Fourth Proportional to 126,069.70, 189,104.55 and 116,446.90

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Solution

The fourth proportional to 126,069.70, 189,104.55 and 116,446.90 is: 174,670.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,069.70 : 189,104.55 = 116,446.90 : x
  2. Step 2: Convert to fraction form
    126,069.70/189,104.55 = 116,446.90/x
  3. Step 3: Cross multiply
    126,069.70x = 189,104.55 × 116,446.90
  4. Step 4: Simplify right side
    126,069.70x = 22,020,638,623.40
  5. Step 5: Solve for x
    x = 22,020,638,623.40/126,069.70
  6. Step 6: Final answer
    x = 174,670.35

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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.