Home / 111,455.86-167,196.47-40,411.95

Finding the Fourth Proportional to 111,455.86, 167,196.47 and 40,411.95

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Solution

The fourth proportional to 111,455.86, 167,196.47 and 40,411.95 is: 60,622.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,455.86 : 167,196.47 = 40,411.95 : x
  2. Step 2: Convert to fraction form
    111,455.86/167,196.47 = 40,411.95/x
  3. Step 3: Cross multiply
    111,455.86x = 167,196.47 × 40,411.95
  4. Step 4: Simplify right side
    111,455.86x = 6,756,735,904.84
  5. Step 5: Solve for x
    x = 6,756,735,904.84/111,455.86
  6. Step 6: Final answer
    x = 60,622.53

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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.