Home / 165,470.70-248,165.04-47,143.07

Finding the Fourth Proportional to 165,470.70, 248,165.04 and 47,143.07

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Solution

The fourth proportional to 165,470.70, 248,165.04 and 47,143.07 is: 70,702.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,470.70 : 248,165.04 = 47,143.07 : x
  2. Step 2: Convert to fraction form
    165,470.70/248,165.04 = 47,143.07/x
  3. Step 3: Cross multiply
    165,470.70x = 248,165.04 × 47,143.07
  4. Step 4: Simplify right side
    165,470.70x = 11,699,260,611.45
  5. Step 5: Solve for x
    x = 11,699,260,611.45/165,470.70
  6. Step 6: Final answer
    x = 70,702.91

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1.5x scale

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.