Home / 384,205.04-530,136.36-223,023.92

Finding the Fourth Proportional to 384,205.04, 530,136.36 and 223,023.92

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Solution

The fourth proportional to 384,205.04, 530,136.36 and 223,023.92 is: 307,734.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,205.04 : 530,136.36 = 223,023.92 : x
  2. Step 2: Convert to fraction form
    384,205.04/530,136.36 = 223,023.92/x
  3. Step 3: Cross multiply
    384,205.04x = 530,136.36 × 223,023.92
  4. Step 4: Simplify right side
    384,205.04x = 118,233,089,141.73
  5. Step 5: Solve for x
    x = 118,233,089,141.73/384,205.04
  6. Step 6: Final answer
    x = 307,734.35

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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.