Home / 186,061.92-256,787.12-104,412.68

Finding the Fourth Proportional to 186,061.92, 256,787.12 and 104,412.68

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Solution

The fourth proportional to 186,061.92, 256,787.12 and 104,412.68 is: 144,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,061.92 : 256,787.12 = 104,412.68 : x
  2. Step 2: Convert to fraction form
    186,061.92/256,787.12 = 104,412.68/x
  3. Step 3: Cross multiply
    186,061.92x = 256,787.12 × 104,412.68
  4. Step 4: Simplify right side
    186,061.92x = 26,811,831,388.68
  5. Step 5: Solve for x
    x = 26,811,831,388.68/186,061.92
  6. Step 6: Final answer
    x = 144,101.66

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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.