Home / 207,968.06-286,996.11-112,474.76

Finding the Fourth Proportional to 207,968.06, 286,996.11 and 112,474.76

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Solution

The fourth proportional to 207,968.06, 286,996.11 and 112,474.76 is: 155,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,968.06 : 286,996.11 = 112,474.76 : x
  2. Step 2: Convert to fraction form
    207,968.06/286,996.11 = 112,474.76/x
  3. Step 3: Cross multiply
    207,968.06x = 286,996.11 × 112,474.76
  4. Step 4: Simplify right side
    207,968.06x = 32,279,818,593.18
  5. Step 5: Solve for x
    x = 32,279,818,593.18/207,968.06
  6. Step 6: Final answer
    x = 155,215.27

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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.