Home / 307,357.59-461,036.38-82,718.52

Finding the Fourth Proportional to 307,357.59, 461,036.38 and 82,718.52

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Solution

The fourth proportional to 307,357.59, 461,036.38 and 82,718.52 is: 124,077.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,357.59 : 461,036.38 = 82,718.52 : x
  2. Step 2: Convert to fraction form
    307,357.59/461,036.38 = 82,718.52/x
  3. Step 3: Cross multiply
    307,357.59x = 461,036.38 × 82,718.52
  4. Step 4: Simplify right side
    307,357.59x = 38,136,247,019.76
  5. Step 5: Solve for x
    x = 38,136,247,019.76/307,357.59
  6. Step 6: Final answer
    x = 124,077.78

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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.