Home / 126,120.21-189,085.55-59,522.42

Finding the Fourth Proportional to 126,120.21, 189,085.55 and 59,522.42

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Solution

The fourth proportional to 126,120.21, 189,085.55 and 59,522.42 is: 89,238.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,120.21 : 189,085.55 = 59,522.42 : x
  2. Step 2: Convert to fraction form
    126,120.21/189,085.55 = 59,522.42/x
  3. Step 3: Cross multiply
    126,120.21x = 189,085.55 × 59,522.42
  4. Step 4: Simplify right side
    126,120.21x = 11,254,828,279.99
  5. Step 5: Solve for x
    x = 11,254,828,279.99/126,120.21
  6. Step 6: Final answer
    x = 89,238.90

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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.