Home / 186,388.68-257,227.14-140,365.92

Finding the Fourth Proportional to 186,388.68, 257,227.14 and 140,365.92

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Solution

The fourth proportional to 186,388.68, 257,227.14 and 140,365.92 is: 193,713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,388.68 : 257,227.14 = 140,365.92 : x
  2. Step 2: Convert to fraction form
    186,388.68/257,227.14 = 140,365.92/x
  3. Step 3: Cross multiply
    186,388.68x = 257,227.14 × 140,365.92
  4. Step 4: Simplify right side
    186,388.68x = 36,105,924,155.07
  5. Step 5: Solve for x
    x = 36,105,924,155.07/186,388.68
  6. Step 6: Final answer
    x = 193,713.07

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1.5x scale

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.