Home / 220,114.80-330,172.20-190,590.30

Finding the Fourth Proportional to 220,114.80, 330,172.20 and 190,590.30

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Solution

The fourth proportional to 220,114.80, 330,172.20 and 190,590.30 is: 285,885.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,114.80 : 330,172.20 = 190,590.30 : x
  2. Step 2: Convert to fraction form
    220,114.80/330,172.20 = 190,590.30/x
  3. Step 3: Cross multiply
    220,114.80x = 330,172.20 × 190,590.30
  4. Step 4: Simplify right side
    220,114.80x = 62,927,618,649.66
  5. Step 5: Solve for x
    x = 62,927,618,649.66/220,114.80
  6. Step 6: Final answer
    x = 285,885.45

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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.