Home / 100,869.17-151,259.99-34,291.41

Finding the Fourth Proportional to 100,869.17, 151,259.99 and 34,291.41

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Solution

The fourth proportional to 100,869.17, 151,259.99 and 34,291.41 is: 51,422.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,869.17 : 151,259.99 = 34,291.41 : x
  2. Step 2: Convert to fraction form
    100,869.17/151,259.99 = 34,291.41/x
  3. Step 3: Cross multiply
    100,869.17x = 151,259.99 × 34,291.41
  4. Step 4: Simplify right side
    100,869.17x = 5,186,918,162.23
  5. Step 5: Solve for x
    x = 5,186,918,162.23/100,869.17
  6. Step 6: Final answer
    x = 51,422.24

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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.