Home / 123,964.08-186,001.24-70,654.12

Finding the Fourth Proportional to 123,964.08, 186,001.24 and 70,654.12

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Solution

The fourth proportional to 123,964.08, 186,001.24 and 70,654.12 is: 106,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,964.08 : 186,001.24 = 70,654.12 : x
  2. Step 2: Convert to fraction form
    123,964.08/186,001.24 = 70,654.12/x
  3. Step 3: Cross multiply
    123,964.08x = 186,001.24 × 70,654.12
  4. Step 4: Simplify right side
    123,964.08x = 13,141,753,931.11
  5. Step 5: Solve for x
    x = 13,141,753,931.11/123,964.08
  6. Step 6: Final answer
    x = 106,012.60

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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.