Home / 255,161.16-352,113.48-140,439.24

Finding the Fourth Proportional to 255,161.16, 352,113.48 and 140,439.24

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Solution

The fourth proportional to 255,161.16, 352,113.48 and 140,439.24 is: 193,801.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,161.16 : 352,113.48 = 140,439.24 : x
  2. Step 2: Convert to fraction form
    255,161.16/352,113.48 = 140,439.24/x
  3. Step 3: Cross multiply
    255,161.16x = 352,113.48 × 140,439.24
  4. Step 4: Simplify right side
    255,161.16x = 49,450,549,524.96
  5. Step 5: Solve for x
    x = 49,450,549,524.96/255,161.16
  6. Step 6: Final answer
    x = 193,801.24

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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.