Home / 259,048.32-357,493.68-145,875.12

Finding the Fourth Proportional to 259,048.32, 357,493.68 and 145,875.12

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Solution

The fourth proportional to 259,048.32, 357,493.68 and 145,875.12 is: 201,311.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,048.32 : 357,493.68 = 145,875.12 : x
  2. Step 2: Convert to fraction form
    259,048.32/357,493.68 = 145,875.12/x
  3. Step 3: Cross multiply
    259,048.32x = 357,493.68 × 145,875.12
  4. Step 4: Simplify right side
    259,048.32x = 52,149,433,469.24
  5. Step 5: Solve for x
    x = 52,149,433,469.24/259,048.32
  6. Step 6: Final answer
    x = 201,311.61

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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.