Home / 250,064.13-375,135.08-83,813.25

Finding the Fourth Proportional to 250,064.13, 375,135.08 and 83,813.25

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Solution

The fourth proportional to 250,064.13, 375,135.08 and 83,813.25 is: 125,732.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,064.13 : 375,135.08 = 83,813.25 : x
  2. Step 2: Convert to fraction form
    250,064.13/375,135.08 = 83,813.25/x
  3. Step 3: Cross multiply
    250,064.13x = 375,135.08 × 83,813.25
  4. Step 4: Simplify right side
    250,064.13x = 31,441,289,824.74
  5. Step 5: Solve for x
    x = 31,441,289,824.74/250,064.13
  6. Step 6: Final answer
    x = 125,732.91

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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.