Home / 186,003.20-256,685.44-109,525.60

Finding the Fourth Proportional to 186,003.20, 256,685.44 and 109,525.60

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Solution

The fourth proportional to 186,003.20, 256,685.44 and 109,525.60 is: 151,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,003.20 : 256,685.44 = 109,525.60 : x
  2. Step 2: Convert to fraction form
    186,003.20/256,685.44 = 109,525.60/x
  3. Step 3: Cross multiply
    186,003.20x = 256,685.44 × 109,525.60
  4. Step 4: Simplify right side
    186,003.20x = 28,113,626,827.26
  5. Step 5: Solve for x
    x = 28,113,626,827.26/186,003.20
  6. Step 6: Final answer
    x = 151,145.93

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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.