Home / 207,439.68-286,243.10-116,793.32

Finding the Fourth Proportional to 207,439.68, 286,243.10 and 116,793.32

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Solution

The fourth proportional to 207,439.68, 286,243.10 and 116,793.32 is: 161,161.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,439.68 : 286,243.10 = 116,793.32 : x
  2. Step 2: Convert to fraction form
    207,439.68/286,243.10 = 116,793.32/x
  3. Step 3: Cross multiply
    207,439.68x = 286,243.10 × 116,793.32
  4. Step 4: Simplify right side
    207,439.68x = 33,431,281,696.67
  5. Step 5: Solve for x
    x = 33,431,281,696.67/207,439.68
  6. Step 6: Final answer
    x = 161,161.46

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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.