Home / 136,114.10-203,782.35-122,117.30

Finding the Fourth Proportional to 136,114.10, 203,782.35 and 122,117.30

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Solution

The fourth proportional to 136,114.10, 203,782.35 and 122,117.30 is: 182,827.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,114.10 : 203,782.35 = 122,117.30 : x
  2. Step 2: Convert to fraction form
    136,114.10/203,782.35 = 122,117.30/x
  3. Step 3: Cross multiply
    136,114.10x = 203,782.35 × 122,117.30
  4. Step 4: Simplify right side
    136,114.10x = 24,885,350,369.66
  5. Step 5: Solve for x
    x = 24,885,350,369.66/136,114.10
  6. Step 6: Final answer
    x = 182,827.13

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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.