Home / 207,819.56-286,807.23-115,967.72

Finding the Fourth Proportional to 207,819.56, 286,807.23 and 115,967.72

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Solution

The fourth proportional to 207,819.56, 286,807.23 and 115,967.72 is: 160,044.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,819.56 : 286,807.23 = 115,967.72 : x
  2. Step 2: Convert to fraction form
    207,819.56/286,807.23 = 115,967.72/x
  3. Step 3: Cross multiply
    207,819.56x = 286,807.23 × 115,967.72
  4. Step 4: Simplify right side
    207,819.56x = 33,260,380,184.11
  5. Step 5: Solve for x
    x = 33,260,380,184.11/207,819.56
  6. Step 6: Final answer
    x = 160,044.52

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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.