Home / 222,193.02-306,307.41-158,420.10

Finding the Fourth Proportional to 222,193.02, 306,307.41 and 158,420.10

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Solution

The fourth proportional to 222,193.02, 306,307.41 and 158,420.10 is: 218,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,193.02 : 306,307.41 = 158,420.10 : x
  2. Step 2: Convert to fraction form
    222,193.02/306,307.41 = 158,420.10/x
  3. Step 3: Cross multiply
    222,193.02x = 306,307.41 × 158,420.10
  4. Step 4: Simplify right side
    222,193.02x = 48,525,250,522.94
  5. Step 5: Solve for x
    x = 48,525,250,522.94/222,193.02
  6. Step 6: Final answer
    x = 218,392.33

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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.