Home / 255,377.22-352,417.23-140,653.68

Finding the Fourth Proportional to 255,377.22, 352,417.23 and 140,653.68

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Solution

The fourth proportional to 255,377.22, 352,417.23 and 140,653.68 is: 194,100.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,377.22 : 352,417.23 = 140,653.68 : x
  2. Step 2: Convert to fraction form
    255,377.22/352,417.23 = 140,653.68/x
  3. Step 3: Cross multiply
    255,377.22x = 352,417.23 × 140,653.68
  4. Step 4: Simplify right side
    255,377.22x = 49,568,780,294.91
  5. Step 5: Solve for x
    x = 49,568,780,294.91/255,377.22
  6. Step 6: Final answer
    x = 194,100.24

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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.