Home / 136,960.42-205,089.90-94,782.10

Finding the Fourth Proportional to 136,960.42, 205,089.90 and 94,782.10

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Solution

The fourth proportional to 136,960.42, 205,089.90 and 94,782.10 is: 141,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,960.42 : 205,089.90 = 94,782.10 : x
  2. Step 2: Convert to fraction form
    136,960.42/205,089.90 = 94,782.10/x
  3. Step 3: Cross multiply
    136,960.42x = 205,089.90 × 94,782.10
  4. Step 4: Simplify right side
    136,960.42x = 19,438,851,410.79
  5. Step 5: Solve for x
    x = 19,438,851,410.79/136,960.42
  6. Step 6: Final answer
    x = 141,930.43

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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.