Home / 165,448.72-248,167.81-98,439.85

Finding the Fourth Proportional to 165,448.72, 248,167.81 and 98,439.85

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Solution

The fourth proportional to 165,448.72, 248,167.81 and 98,439.85 is: 147,656.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,448.72 : 248,167.81 = 98,439.85 : x
  2. Step 2: Convert to fraction form
    165,448.72/248,167.81 = 98,439.85/x
  3. Step 3: Cross multiply
    165,448.72x = 248,167.81 × 98,439.85
  4. Step 4: Simplify right side
    165,448.72x = 24,429,601,124.71
  5. Step 5: Solve for x
    x = 24,429,601,124.71/165,448.72
  6. Step 6: Final answer
    x = 147,656.64

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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.