Home / 165,445.85-248,127.77-47,118.22

Finding the Fourth Proportional to 165,445.85, 248,127.77 and 47,118.22

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Solution

The fourth proportional to 165,445.85, 248,127.77 and 47,118.22 is: 70,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,445.85 : 248,127.77 = 47,118.22 : x
  2. Step 2: Convert to fraction form
    165,445.85/248,127.77 = 47,118.22/x
  3. Step 3: Cross multiply
    165,445.85x = 248,127.77 × 47,118.22
  4. Step 4: Simplify right side
    165,445.85x = 11,691,338,352.45
  5. Step 5: Solve for x
    x = 11,691,338,352.45/165,445.85
  6. Step 6: Final answer
    x = 70,665.65

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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.