Home / 384,276.56-530,261.39-223,100.12

Finding the Fourth Proportional to 384,276.56, 530,261.39 and 223,100.12

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Solution

The fourth proportional to 384,276.56, 530,261.39 and 223,100.12 is: 307,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,276.56 : 530,261.39 = 223,100.12 : x
  2. Step 2: Convert to fraction form
    384,276.56/530,261.39 = 223,100.12/x
  3. Step 3: Cross multiply
    384,276.56x = 530,261.39 × 223,100.12
  4. Step 4: Simplify right side
    384,276.56x = 118,301,380,368.83
  5. Step 5: Solve for x
    x = 118,301,380,368.83/384,276.56
  6. Step 6: Final answer
    x = 307,854.80

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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.