Home / 255,401.12-352,439.84-146,499.92

Finding the Fourth Proportional to 255,401.12, 352,439.84 and 146,499.92

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Solution

The fourth proportional to 255,401.12, 352,439.84 and 146,499.92 is: 202,162.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,401.12 : 352,439.84 = 146,499.92 : x
  2. Step 2: Convert to fraction form
    255,401.12/352,439.84 = 146,499.92/x
  3. Step 3: Cross multiply
    255,401.12x = 352,439.84 × 146,499.92
  4. Step 4: Simplify right side
    255,401.12x = 51,632,408,364.81
  5. Step 5: Solve for x
    x = 51,632,408,364.81/255,401.12
  6. Step 6: Final answer
    x = 202,162.03

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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.