Home / 115,889.60-173,834.40-45,732.80

Finding the Fourth Proportional to 115,889.60, 173,834.40 and 45,732.80

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Solution

The fourth proportional to 115,889.60, 173,834.40 and 45,732.80 is: 68,599.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,889.60 : 173,834.40 = 45,732.80 : x
  2. Step 2: Convert to fraction form
    115,889.60/173,834.40 = 45,732.80/x
  3. Step 3: Cross multiply
    115,889.60x = 173,834.40 × 45,732.80
  4. Step 4: Simplify right side
    115,889.60x = 7,949,933,848.32
  5. Step 5: Solve for x
    x = 7,949,933,848.32/115,889.60
  6. Step 6: Final answer
    x = 68,599.20

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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.