Home / 325,211.22-487,185.57-239,666.72

Finding the Fourth Proportional to 325,211.22, 487,185.57 and 239,666.72

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Solution

The fourth proportional to 325,211.22, 487,185.57 and 239,666.72 is: 359,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,211.22 : 487,185.57 = 239,666.72 : x
  2. Step 2: Convert to fraction form
    325,211.22/487,185.57 = 239,666.72/x
  3. Step 3: Cross multiply
    325,211.22x = 487,185.57 × 239,666.72
  4. Step 4: Simplify right side
    325,211.22x = 116,762,165,157.30
  5. Step 5: Solve for x
    x = 116,762,165,157.30/325,211.22
  6. Step 6: Final answer
    x = 359,034.86

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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.