Home / 356,985.40-492,635.64-195,841.68

Finding the Fourth Proportional to 356,985.40, 492,635.64 and 195,841.68

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Solution

The fourth proportional to 356,985.40, 492,635.64 and 195,841.68 is: 270,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,985.40 : 492,635.64 = 195,841.68 : x
  2. Step 2: Convert to fraction form
    356,985.40/492,635.64 = 195,841.68/x
  3. Step 3: Cross multiply
    356,985.40x = 492,635.64 × 195,841.68
  4. Step 4: Simplify right side
    356,985.40x = 96,478,591,365.48
  5. Step 5: Solve for x
    x = 96,478,591,365.48/356,985.40
  6. Step 6: Final answer
    x = 270,259.21

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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.