Home / 389,791.02-584,685.63-152,968.08

Finding the Fourth Proportional to 389,791.02, 584,685.63 and 152,968.08

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Solution

The fourth proportional to 389,791.02, 584,685.63 and 152,968.08 is: 229,451.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,791.02 : 584,685.63 = 152,968.08 : x
  2. Step 2: Convert to fraction form
    389,791.02/584,685.63 = 152,968.08/x
  3. Step 3: Cross multiply
    389,791.02x = 584,685.63 × 152,968.08
  4. Step 4: Simplify right side
    389,791.02x = 89,438,238,224.69
  5. Step 5: Solve for x
    x = 89,438,238,224.69/389,791.02
  6. Step 6: Final answer
    x = 229,451.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.