Home / 185,316.06-255,736.26-100,433.10

Finding the Fourth Proportional to 185,316.06, 255,736.26 and 100,433.10

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Solution

The fourth proportional to 185,316.06, 255,736.26 and 100,433.10 is: 138,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,316.06 : 255,736.26 = 100,433.10 : x
  2. Step 2: Convert to fraction form
    185,316.06/255,736.26 = 100,433.10/x
  3. Step 3: Cross multiply
    185,316.06x = 255,736.26 × 100,433.10
  4. Step 4: Simplify right side
    185,316.06x = 25,684,385,374.21
  5. Step 5: Solve for x
    x = 25,684,385,374.21/185,316.06
  6. Step 6: Final answer
    x = 138,597.73

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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.