Home / 220,111.05-330,166.58-144,003.45

Finding the Fourth Proportional to 220,111.05, 330,166.58 and 144,003.45

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Solution

The fourth proportional to 220,111.05, 330,166.58 and 144,003.45 is: 216,005.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,111.05 : 330,166.58 = 144,003.45 : x
  2. Step 2: Convert to fraction form
    220,111.05/330,166.58 = 144,003.45/x
  3. Step 3: Cross multiply
    220,111.05x = 330,166.58 × 144,003.45
  4. Step 4: Simplify right side
    220,111.05x = 47,545,125,874.68
  5. Step 5: Solve for x
    x = 47,545,125,874.68/220,111.05
  6. Step 6: Final answer
    x = 216,005.18

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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.