Home / 115,811.40-173,846.70-89,632.20

Finding the Fourth Proportional to 115,811.40, 173,846.70 and 89,632.20

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Solution

The fourth proportional to 115,811.40, 173,846.70 and 89,632.20 is: 134,548.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,811.40 : 173,846.70 = 89,632.20 : x
  2. Step 2: Convert to fraction form
    115,811.40/173,846.70 = 89,632.20/x
  3. Step 3: Cross multiply
    115,811.40x = 173,846.70 × 89,632.20
  4. Step 4: Simplify right side
    115,811.40x = 15,582,262,183.74
  5. Step 5: Solve for x
    x = 15,582,262,183.74/115,811.40
  6. Step 6: Final answer
    x = 134,548.60

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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.