Home / 255,010.18-351,900.15-140,270.31

Finding the Fourth Proportional to 255,010.18, 351,900.15 and 140,270.31

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Solution

The fourth proportional to 255,010.18, 351,900.15 and 140,270.31 is: 193,565.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,010.18 : 351,900.15 = 140,270.31 : x
  2. Step 2: Convert to fraction form
    255,010.18/351,900.15 = 140,270.31/x
  3. Step 3: Cross multiply
    255,010.18x = 351,900.15 × 140,270.31
  4. Step 4: Simplify right side
    255,010.18x = 49,361,141,613.81
  5. Step 5: Solve for x
    x = 49,361,141,613.81/255,010.18
  6. Step 6: Final answer
    x = 193,565.38

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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.