Home / 189,084.65-261,003.67-168,906.47

Finding the Fourth Proportional to 189,084.65, 261,003.67 and 168,906.47

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Solution

The fourth proportional to 189,084.65, 261,003.67 and 168,906.47 is: 233,150.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,084.65 : 261,003.67 = 168,906.47 : x
  2. Step 2: Convert to fraction form
    189,084.65/261,003.67 = 168,906.47/x
  3. Step 3: Cross multiply
    189,084.65x = 261,003.67 × 168,906.47
  4. Step 4: Simplify right side
    189,084.65x = 44,085,206,829.46
  5. Step 5: Solve for x
    x = 44,085,206,829.46/189,084.65
  6. Step 6: Final answer
    x = 233,150.64

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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.