Home / 382,429.31-573,561.95-157,731.47

Finding the Fourth Proportional to 382,429.31, 573,561.95 and 157,731.47

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Solution

The fourth proportional to 382,429.31, 573,561.95 and 157,731.47 is: 236,563.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,429.31 : 573,561.95 = 157,731.47 : x
  2. Step 2: Convert to fraction form
    382,429.31/573,561.95 = 157,731.47/x
  3. Step 3: Cross multiply
    382,429.31x = 573,561.95 × 157,731.47
  4. Step 4: Simplify right side
    382,429.31x = 90,468,766,641.76
  5. Step 5: Solve for x
    x = 90,468,766,641.76/382,429.31
  6. Step 6: Final answer
    x = 236,563.37

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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.