Home / 491,247.08-736,870.56-136,261.10

Finding the Fourth Proportional to 491,247.08, 736,870.56 and 136,261.10

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Solution

The fourth proportional to 491,247.08, 736,870.56 and 136,261.10 is: 204,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,247.08 : 736,870.56 = 136,261.10 : x
  2. Step 2: Convert to fraction form
    491,247.08/736,870.56 = 136,261.10/x
  3. Step 3: Cross multiply
    491,247.08x = 736,870.56 × 136,261.10
  4. Step 4: Simplify right side
    491,247.08x = 100,406,793,063.22
  5. Step 5: Solve for x
    x = 100,406,793,063.22/491,247.08
  6. Step 6: Final answer
    x = 204,391.63

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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.