Home / 222,598.13-307,204.85-122,015.57

Finding the Fourth Proportional to 222,598.13, 307,204.85 and 122,015.57

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Solution

The fourth proportional to 222,598.13, 307,204.85 and 122,015.57 is: 168,392.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,598.13 : 307,204.85 = 122,015.57 : x
  2. Step 2: Convert to fraction form
    222,598.13/307,204.85 = 122,015.57/x
  3. Step 3: Cross multiply
    222,598.13x = 307,204.85 × 122,015.57
  4. Step 4: Simplify right side
    222,598.13x = 37,483,773,648.53
  5. Step 5: Solve for x
    x = 37,483,773,648.53/222,598.13
  6. Step 6: Final answer
    x = 168,392.14

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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.