Home / 137,070.23-205,377.53-131,887.04

Finding the Fourth Proportional to 137,070.23, 205,377.53 and 131,887.04

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Solution

The fourth proportional to 137,070.23, 205,377.53 and 131,887.04 is: 197,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,070.23 : 205,377.53 = 131,887.04 : x
  2. Step 2: Convert to fraction form
    137,070.23/205,377.53 = 131,887.04/x
  3. Step 3: Cross multiply
    137,070.23x = 205,377.53 × 131,887.04
  4. Step 4: Simplify right side
    137,070.23x = 27,086,632,827.89
  5. Step 5: Solve for x
    x = 27,086,632,827.89/137,070.23
  6. Step 6: Final answer
    x = 197,611.35

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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.