Home / 111,897.32-167,913.36-40,826.21

Finding the Fourth Proportional to 111,897.32, 167,913.36 and 40,826.21

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Solution

The fourth proportional to 111,897.32, 167,913.36 and 40,826.21 is: 61,263.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,897.32 : 167,913.36 = 40,826.21 : x
  2. Step 2: Convert to fraction form
    111,897.32/167,913.36 = 40,826.21/x
  3. Step 3: Cross multiply
    111,897.32x = 167,913.36 × 40,826.21
  4. Step 4: Simplify right side
    111,897.32x = 6,855,265,257.60
  5. Step 5: Solve for x
    x = 6,855,265,257.60/111,897.32
  6. Step 6: Final answer
    x = 61,263.89

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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.