Home / 186,078.23-256,787.51-101,195.36

Finding the Fourth Proportional to 186,078.23, 256,787.51 and 101,195.36

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Solution

The fourth proportional to 186,078.23, 256,787.51 and 101,195.36 is: 139,649.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,078.23 : 256,787.51 = 101,195.36 : x
  2. Step 2: Convert to fraction form
    186,078.23/256,787.51 = 101,195.36/x
  3. Step 3: Cross multiply
    186,078.23x = 256,787.51 × 101,195.36
  4. Step 4: Simplify right side
    186,078.23x = 25,985,702,728.04
  5. Step 5: Solve for x
    x = 25,985,702,728.04/186,078.23
  6. Step 6: Final answer
    x = 139,649.35

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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.