Home / 165,658.10-248,519.55-70,888.10

Finding the Fourth Proportional to 165,658.10, 248,519.55 and 70,888.10

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Solution

The fourth proportional to 165,658.10, 248,519.55 and 70,888.10 is: 106,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,658.10 : 248,519.55 = 70,888.10 : x
  2. Step 2: Convert to fraction form
    165,658.10/248,519.55 = 70,888.10/x
  3. Step 3: Cross multiply
    165,658.10x = 248,519.55 × 70,888.10
  4. Step 4: Simplify right side
    165,658.10x = 17,617,078,712.36
  5. Step 5: Solve for x
    x = 17,617,078,712.36/165,658.10
  6. Step 6: Final answer
    x = 106,346.01

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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.