Home / 207,968.32-286,996.47-112,475.01

Finding the Fourth Proportional to 207,968.32, 286,996.47 and 112,475.01

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Solution

The fourth proportional to 207,968.32, 286,996.47 and 112,475.01 is: 155,215.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,968.32 : 286,996.47 = 112,475.01 : x
  2. Step 2: Convert to fraction form
    207,968.32/286,996.47 = 112,475.01/x
  3. Step 3: Cross multiply
    207,968.32x = 286,996.47 × 112,475.01
  4. Step 4: Simplify right side
    207,968.32x = 32,279,930,833.21
  5. Step 5: Solve for x
    x = 32,279,930,833.21/207,968.32
  6. Step 6: Final answer
    x = 155,215.62

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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.