Home / 186,665.40-279,998.10-168,294.60

Finding the Fourth Proportional to 186,665.40, 279,998.10 and 168,294.60

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Solution

The fourth proportional to 186,665.40, 279,998.10 and 168,294.60 is: 252,441.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,665.40 : 279,998.10 = 168,294.60 : x
  2. Step 2: Convert to fraction form
    186,665.40/279,998.10 = 168,294.60/x
  3. Step 3: Cross multiply
    186,665.40x = 279,998.10 × 168,294.60
  4. Step 4: Simplify right side
    186,665.40x = 47,122,168,240.26
  5. Step 5: Solve for x
    x = 47,122,168,240.26/186,665.40
  6. Step 6: Final answer
    x = 252,441.90

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1.5x scale

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.