Home / 263,685.90-363,823.50-156,237.36

Finding the Fourth Proportional to 263,685.90, 363,823.50 and 156,237.36

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Solution

The fourth proportional to 263,685.90, 363,823.50 and 156,237.36 is: 215,570.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,685.90 : 363,823.50 = 156,237.36 : x
  2. Step 2: Convert to fraction form
    263,685.90/363,823.50 = 156,237.36/x
  3. Step 3: Cross multiply
    263,685.90x = 363,823.50 × 156,237.36
  4. Step 4: Simplify right side
    263,685.90x = 56,842,823,145.96
  5. Step 5: Solve for x
    x = 56,842,823,145.96/263,685.90
  6. Step 6: Final answer
    x = 215,570.20

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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.