Home / 255,499.47-352,589.29-148,131.81

Finding the Fourth Proportional to 255,499.47, 352,589.29 and 148,131.81

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Solution

The fourth proportional to 255,499.47, 352,589.29 and 148,131.81 is: 204,421.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,499.47 : 352,589.29 = 148,131.81 : x
  2. Step 2: Convert to fraction form
    255,499.47/352,589.29 = 148,131.81/x
  3. Step 3: Cross multiply
    255,499.47x = 352,589.29 × 148,131.81
  4. Step 4: Simplify right side
    255,499.47x = 52,229,689,343.99
  5. Step 5: Solve for x
    x = 52,229,689,343.99/255,499.47
  6. Step 6: Final answer
    x = 204,421.91

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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.