Home / 259,121.50-357,677.16-151,726.06

Finding the Fourth Proportional to 259,121.50, 357,677.16 and 151,726.06

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Solution

The fourth proportional to 259,121.50, 357,677.16 and 151,726.06 is: 209,434.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,121.50 : 357,677.16 = 151,726.06 : x
  2. Step 2: Convert to fraction form
    259,121.50/357,677.16 = 151,726.06/x
  3. Step 3: Cross multiply
    259,121.50x = 357,677.16 × 151,726.06
  4. Step 4: Simplify right side
    259,121.50x = 54,268,946,238.79
  5. Step 5: Solve for x
    x = 54,268,946,238.79/259,121.50
  6. Step 6: Final answer
    x = 209,434.36

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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.