Home / 207,621.52-286,507.10-116,982.84

Finding the Fourth Proportional to 207,621.52, 286,507.10 and 116,982.84

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Solution

The fourth proportional to 207,621.52, 286,507.10 and 116,982.84 is: 161,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,621.52 : 286,507.10 = 116,982.84 : x
  2. Step 2: Convert to fraction form
    207,621.52/286,507.10 = 116,982.84/x
  3. Step 3: Cross multiply
    207,621.52x = 286,507.10 × 116,982.84
  4. Step 4: Simplify right side
    207,621.52x = 33,516,414,238.16
  5. Step 5: Solve for x
    x = 33,516,414,238.16/207,621.52
  6. Step 6: Final answer
    x = 161,430.35

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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.