Home / 115,867.20-173,800.80-45,737.40

Finding the Fourth Proportional to 115,867.20, 173,800.80 and 45,737.40

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Solution

The fourth proportional to 115,867.20, 173,800.80 and 45,737.40 is: 68,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,867.20 : 173,800.80 = 45,737.40 : x
  2. Step 2: Convert to fraction form
    115,867.20/173,800.80 = 45,737.40/x
  3. Step 3: Cross multiply
    115,867.20x = 173,800.80 × 45,737.40
  4. Step 4: Simplify right side
    115,867.20x = 7,949,196,709.92
  5. Step 5: Solve for x
    x = 7,949,196,709.92/115,867.20
  6. Step 6: Final answer
    x = 68,606.10

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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.