Home / 174,927.80-262,089.30-81,241.40

Finding the Fourth Proportional to 174,927.80, 262,089.30 and 81,241.40

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Solution

The fourth proportional to 174,927.80, 262,089.30 and 81,241.40 is: 121,721.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,927.80 : 262,089.30 = 81,241.40 : x
  2. Step 2: Convert to fraction form
    174,927.80/262,089.30 = 81,241.40/x
  3. Step 3: Cross multiply
    174,927.80x = 262,089.30 × 81,241.40
  4. Step 4: Simplify right side
    174,927.80x = 21,292,501,657.02
  5. Step 5: Solve for x
    x = 21,292,501,657.02/174,927.80
  6. Step 6: Final answer
    x = 121,721.66

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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.