Home / 236,439.76-326,329.18-140,952.60

Finding the Fourth Proportional to 236,439.76, 326,329.18 and 140,952.60

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Solution

The fourth proportional to 236,439.76, 326,329.18 and 140,952.60 is: 194,539.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,439.76 : 326,329.18 = 140,952.60 : x
  2. Step 2: Convert to fraction form
    236,439.76/326,329.18 = 140,952.60/x
  3. Step 3: Cross multiply
    236,439.76x = 326,329.18 × 140,952.60
  4. Step 4: Simplify right side
    236,439.76x = 45,996,946,376.87
  5. Step 5: Solve for x
    x = 45,996,946,376.87/236,439.76
  6. Step 6: Final answer
    x = 194,539.81

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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.