Home / 222,518.88-307,116.36-141,971.40

Finding the Fourth Proportional to 222,518.88, 307,116.36 and 141,971.40

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Solution

The fourth proportional to 222,518.88, 307,116.36 and 141,971.40 is: 195,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,518.88 : 307,116.36 = 141,971.40 : x
  2. Step 2: Convert to fraction form
    222,518.88/307,116.36 = 141,971.40/x
  3. Step 3: Cross multiply
    222,518.88x = 307,116.36 × 141,971.40
  4. Step 4: Simplify right side
    222,518.88x = 43,601,739,592.10
  5. Step 5: Solve for x
    x = 43,601,739,592.10/222,518.88
  6. Step 6: Final answer
    x = 195,946.25

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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.