Home / 111,552.22-167,394.81-40,480.40

Finding the Fourth Proportional to 111,552.22, 167,394.81 and 40,480.40

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Solution

The fourth proportional to 111,552.22, 167,394.81 and 40,480.40 is: 60,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,552.22 : 167,394.81 = 40,480.40 : x
  2. Step 2: Convert to fraction form
    111,552.22/167,394.81 = 40,480.40/x
  3. Step 3: Cross multiply
    111,552.22x = 167,394.81 × 40,480.40
  4. Step 4: Simplify right side
    111,552.22x = 6,776,208,267.71
  5. Step 5: Solve for x
    x = 6,776,208,267.71/111,552.22
  6. Step 6: Final answer
    x = 60,744.72

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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.