Home / 111,253.18-166,890-36,373.72

Finding the Fourth Proportional to 111,253.18, 166,890 and 36,373.72

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Solution

The fourth proportional to 111,253.18, 166,890 and 36,373.72 is: 54,563.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,253.18 : 166,890 = 36,373.72 : x
  2. Step 2: Convert to fraction form
    111,253.18/166,890 = 36,373.72/x
  3. Step 3: Cross multiply
    111,253.18x = 166,890 × 36,373.72
  4. Step 4: Simplify right side
    111,253.18x = 6,070,410,130.80
  5. Step 5: Solve for x
    x = 6,070,410,130.80/111,253.18
  6. Step 6: Final answer
    x = 54,563.92

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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.