Home / 186,100.54-279,265.62-86,242.12

Finding the Fourth Proportional to 186,100.54, 279,265.62 and 86,242.12

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Solution

The fourth proportional to 186,100.54, 279,265.62 and 86,242.12 is: 129,416.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,100.54 : 279,265.62 = 86,242.12 : x
  2. Step 2: Convert to fraction form
    186,100.54/279,265.62 = 86,242.12/x
  3. Step 3: Cross multiply
    186,100.54x = 279,265.62 × 86,242.12
  4. Step 4: Simplify right side
    186,100.54x = 24,084,458,737.16
  5. Step 5: Solve for x
    x = 24,084,458,737.16/186,100.54
  6. Step 6: Final answer
    x = 129,416.38

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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.