Home / 171,500.16-257,287.20-53,169.12

Finding the Fourth Proportional to 171,500.16, 257,287.20 and 53,169.12

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Solution

The fourth proportional to 171,500.16, 257,287.20 and 53,169.12 is: 79,765.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,500.16 : 257,287.20 = 53,169.12 : x
  2. Step 2: Convert to fraction form
    171,500.16/257,287.20 = 53,169.12/x
  3. Step 3: Cross multiply
    171,500.16x = 257,287.20 × 53,169.12
  4. Step 4: Simplify right side
    171,500.16x = 13,679,734,011.26
  5. Step 5: Solve for x
    x = 13,679,734,011.26/171,500.16
  6. Step 6: Final answer
    x = 79,765.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.