Home / 221,967.90-306,297.18-125,166.33

Finding the Fourth Proportional to 221,967.90, 306,297.18 and 125,166.33

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Solution

The fourth proportional to 221,967.90, 306,297.18 and 125,166.33 is: 172,719.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,967.90 : 306,297.18 = 125,166.33 : x
  2. Step 2: Convert to fraction form
    221,967.90/306,297.18 = 125,166.33/x
  3. Step 3: Cross multiply
    221,967.90x = 306,297.18 × 125,166.33
  4. Step 4: Simplify right side
    221,967.90x = 38,338,093,909.95
  5. Step 5: Solve for x
    x = 38,338,093,909.95/221,967.90
  6. Step 6: Final answer
    x = 172,719.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.