Home / 578,775.38-868,223.21-158,051.25

Finding the Fourth Proportional to 578,775.38, 868,223.21 and 158,051.25

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Solution

The fourth proportional to 578,775.38, 868,223.21 and 158,051.25 is: 237,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,775.38 : 868,223.21 = 158,051.25 : x
  2. Step 2: Convert to fraction form
    578,775.38/868,223.21 = 158,051.25/x
  3. Step 3: Cross multiply
    578,775.38x = 868,223.21 × 158,051.25
  4. Step 4: Simplify right side
    578,775.38x = 137,223,762,829.26
  5. Step 5: Solve for x
    x = 137,223,762,829.26/578,775.38
  6. Step 6: Final answer
    x = 237,093.30

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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.