Home / 220,216.32-303,890.40-119,612.16

Finding the Fourth Proportional to 220,216.32, 303,890.40 and 119,612.16

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Solution

The fourth proportional to 220,216.32, 303,890.40 and 119,612.16 is: 165,060.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,216.32 : 303,890.40 = 119,612.16 : x
  2. Step 2: Convert to fraction form
    220,216.32/303,890.40 = 119,612.16/x
  3. Step 3: Cross multiply
    220,216.32x = 303,890.40 × 119,612.16
  4. Step 4: Simplify right side
    220,216.32x = 36,348,987,147.26
  5. Step 5: Solve for x
    x = 36,348,987,147.26/220,216.32
  6. Step 6: Final answer
    x = 165,060.37

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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.