Home / 270,290.32-373,023.12-157,135.12

Finding the Fourth Proportional to 270,290.32, 373,023.12 and 157,135.12

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Solution

The fourth proportional to 270,290.32, 373,023.12 and 157,135.12 is: 216,859.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,290.32 : 373,023.12 = 157,135.12 : x
  2. Step 2: Convert to fraction form
    270,290.32/373,023.12 = 157,135.12/x
  3. Step 3: Cross multiply
    270,290.32x = 373,023.12 × 157,135.12
  4. Step 4: Simplify right side
    270,290.32x = 58,615,032,723.97
  5. Step 5: Solve for x
    x = 58,615,032,723.97/270,290.32
  6. Step 6: Final answer
    x = 216,859.53

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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.