Home / 239,865.77-331,019.93-132,442.59

Finding the Fourth Proportional to 239,865.77, 331,019.93 and 132,442.59

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Solution

The fourth proportional to 239,865.77, 331,019.93 and 132,442.59 is: 182,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,865.77 : 331,019.93 = 132,442.59 : x
  2. Step 2: Convert to fraction form
    239,865.77/331,019.93 = 132,442.59/x
  3. Step 3: Cross multiply
    239,865.77x = 331,019.93 × 132,442.59
  4. Step 4: Simplify right side
    239,865.77x = 43,841,136,208.61
  5. Step 5: Solve for x
    x = 43,841,136,208.61/239,865.77
  6. Step 6: Final answer
    x = 182,773.62

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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.