Home / 255,176.12-352,140.25-140,452.30

Finding the Fourth Proportional to 255,176.12, 352,140.25 and 140,452.30

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Solution

The fourth proportional to 255,176.12, 352,140.25 and 140,452.30 is: 193,822.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,176.12 : 352,140.25 = 140,452.30 : x
  2. Step 2: Convert to fraction form
    255,176.12/352,140.25 = 140,452.30/x
  3. Step 3: Cross multiply
    255,176.12x = 352,140.25 × 140,452.30
  4. Step 4: Simplify right side
    255,176.12x = 49,458,908,035.08
  5. Step 5: Solve for x
    x = 49,458,908,035.08/255,176.12
  6. Step 6: Final answer
    x = 193,822.64

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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.