Home / 185,825.10-256,428.99-100,942.02

Finding the Fourth Proportional to 185,825.10, 256,428.99 and 100,942.02

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Solution

The fourth proportional to 185,825.10, 256,428.99 and 100,942.02 is: 139,294.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,825.10 : 256,428.99 = 100,942.02 : x
  2. Step 2: Convert to fraction form
    185,825.10/256,428.99 = 100,942.02/x
  3. Step 3: Cross multiply
    185,825.10x = 256,428.99 × 100,942.02
  4. Step 4: Simplify right side
    185,825.10x = 25,884,460,237.16
  5. Step 5: Solve for x
    x = 25,884,460,237.16/185,825.10
  6. Step 6: Final answer
    x = 139,294.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.