Home / 165,808.22-248,711.51-47,479.50

Finding the Fourth Proportional to 165,808.22, 248,711.51 and 47,479.50

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Solution

The fourth proportional to 165,808.22, 248,711.51 and 47,479.50 is: 71,219.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,808.22 : 248,711.51 = 47,479.50 : x
  2. Step 2: Convert to fraction form
    165,808.22/248,711.51 = 47,479.50/x
  3. Step 3: Cross multiply
    165,808.22x = 248,711.51 × 47,479.50
  4. Step 4: Simplify right side
    165,808.22x = 11,808,698,257.74
  5. Step 5: Solve for x
    x = 11,808,698,257.74/165,808.22
  6. Step 6: Final answer
    x = 71,219.02

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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.