Home / 250,822.50-346,135.05-137,645.25

Finding the Fourth Proportional to 250,822.50, 346,135.05 and 137,645.25

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Solution

The fourth proportional to 250,822.50, 346,135.05 and 137,645.25 is: 189,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,822.50 : 346,135.05 = 137,645.25 : x
  2. Step 2: Convert to fraction form
    250,822.50/346,135.05 = 137,645.25/x
  3. Step 3: Cross multiply
    250,822.50x = 346,135.05 × 137,645.25
  4. Step 4: Simplify right side
    250,822.50x = 47,643,845,491.01
  5. Step 5: Solve for x
    x = 47,643,845,491.01/250,822.50
  6. Step 6: Final answer
    x = 189,950.45

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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.