Home / 185,632.60-256,173.12-100,749.66

Finding the Fourth Proportional to 185,632.60, 256,173.12 and 100,749.66

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Solution

The fourth proportional to 185,632.60, 256,173.12 and 100,749.66 is: 139,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,632.60 : 256,173.12 = 100,749.66 : x
  2. Step 2: Convert to fraction form
    185,632.60/256,173.12 = 100,749.66/x
  3. Step 3: Cross multiply
    185,632.60x = 256,173.12 × 100,749.66
  4. Step 4: Simplify right side
    185,632.60x = 25,809,354,741.14
  5. Step 5: Solve for x
    x = 25,809,354,741.14/185,632.60
  6. Step 6: Final answer
    x = 139,034.60

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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.