Home / 186,392.75-257,247.36-109,933.47

Finding the Fourth Proportional to 186,392.75, 257,247.36 and 109,933.47

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Solution

The fourth proportional to 186,392.75, 257,247.36 and 109,933.47 is: 151,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,392.75 : 257,247.36 = 109,933.47 : x
  2. Step 2: Convert to fraction form
    186,392.75/257,247.36 = 109,933.47/x
  3. Step 3: Cross multiply
    186,392.75x = 257,247.36 × 109,933.47
  4. Step 4: Simplify right side
    186,392.75x = 28,280,094,933.14
  5. Step 5: Solve for x
    x = 28,280,094,933.14/186,392.75
  6. Step 6: Final answer
    x = 151,723.15

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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.