Home / 384,144.12-530,066.70-222,973.56

Finding the Fourth Proportional to 384,144.12, 530,066.70 and 222,973.56

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Solution

The fourth proportional to 384,144.12, 530,066.70 and 222,973.56 is: 307,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,144.12 : 530,066.70 = 222,973.56 : x
  2. Step 2: Convert to fraction form
    384,144.12/530,066.70 = 222,973.56/x
  3. Step 3: Cross multiply
    384,144.12x = 530,066.70 × 222,973.56
  4. Step 4: Simplify right side
    384,144.12x = 118,190,859,136.45
  5. Step 5: Solve for x
    x = 118,190,859,136.45/384,144.12
  6. Step 6: Final answer
    x = 307,673.22

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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.