Home / 115,812.28-173,390.73-73,587.69

Finding the Fourth Proportional to 115,812.28, 173,390.73 and 73,587.69

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Solution

The fourth proportional to 115,812.28, 173,390.73 and 73,587.69 is: 110,173.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,812.28 : 173,390.73 = 73,587.69 : x
  2. Step 2: Convert to fraction form
    115,812.28/173,390.73 = 73,587.69/x
  3. Step 3: Cross multiply
    115,812.28x = 173,390.73 × 73,587.69
  4. Step 4: Simplify right side
    115,812.28x = 12,759,423,012.16
  5. Step 5: Solve for x
    x = 12,759,423,012.16/115,812.28
  6. Step 6: Final answer
    x = 110,173.32

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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.