Home / 222,577.04-307,154.76-121,972.88

Finding the Fourth Proportional to 222,577.04, 307,154.76 and 121,972.88

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Solution

The fourth proportional to 222,577.04, 307,154.76 and 121,972.88 is: 168,321.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,577.04 : 307,154.76 = 121,972.88 : x
  2. Step 2: Convert to fraction form
    222,577.04/307,154.76 = 121,972.88/x
  3. Step 3: Cross multiply
    222,577.04x = 307,154.76 × 121,972.88
  4. Step 4: Simplify right side
    222,577.04x = 37,464,550,682.91
  5. Step 5: Solve for x
    x = 37,464,550,682.91/222,577.04
  6. Step 6: Final answer
    x = 168,321.72

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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.