Home / 250,158.92-345,222.10-135,440.06

Finding the Fourth Proportional to 250,158.92, 345,222.10 and 135,440.06

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Solution

The fourth proportional to 250,158.92, 345,222.10 and 135,440.06 is: 186,908.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,158.92 : 345,222.10 = 135,440.06 : x
  2. Step 2: Convert to fraction form
    250,158.92/345,222.10 = 135,440.06/x
  3. Step 3: Cross multiply
    250,158.92x = 345,222.10 × 135,440.06
  4. Step 4: Simplify right side
    250,158.92x = 46,756,901,937.33
  5. Step 5: Solve for x
    x = 46,756,901,937.33/250,158.92
  6. Step 6: Final answer
    x = 186,908.79

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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.