Home / 173,868.15-260,802.23-85,135.35

Finding the Fourth Proportional to 173,868.15, 260,802.23 and 85,135.35

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Solution

The fourth proportional to 173,868.15, 260,802.23 and 85,135.35 is: 127,703.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,868.15 : 260,802.23 = 85,135.35 : x
  2. Step 2: Convert to fraction form
    173,868.15/260,802.23 = 85,135.35/x
  3. Step 3: Cross multiply
    173,868.15x = 260,802.23 × 85,135.35
  4. Step 4: Simplify right side
    173,868.15x = 22,203,489,131.83
  5. Step 5: Solve for x
    x = 22,203,489,131.83/173,868.15
  6. Step 6: Final answer
    x = 127,703.03

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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.