Home / 357,921.08-536,869.32-91,683.92

Finding the Fourth Proportional to 357,921.08, 536,869.32 and 91,683.92

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Solution

The fourth proportional to 357,921.08, 536,869.32 and 91,683.92 is: 137,522.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,921.08 : 536,869.32 = 91,683.92 : x
  2. Step 2: Convert to fraction form
    357,921.08/536,869.32 = 91,683.92/x
  3. Step 3: Cross multiply
    357,921.08x = 536,869.32 × 91,683.92
  4. Step 4: Simplify right side
    357,921.08x = 49,222,283,785.33
  5. Step 5: Solve for x
    x = 49,222,283,785.33/357,921.08
  6. Step 6: Final answer
    x = 137,522.73

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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.