Home / 250,501.32-345,696.66-137,317.32

Finding the Fourth Proportional to 250,501.32, 345,696.66 and 137,317.32

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Solution

The fourth proportional to 250,501.32, 345,696.66 and 137,317.32 is: 189,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,501.32 : 345,696.66 = 137,317.32 : x
  2. Step 2: Convert to fraction form
    250,501.32/345,696.66 = 137,317.32/x
  3. Step 3: Cross multiply
    250,501.32x = 345,696.66 × 137,317.32
  4. Step 4: Simplify right side
    250,501.32x = 47,470,138,884.15
  5. Step 5: Solve for x
    x = 47,470,138,884.15/250,501.32
  6. Step 6: Final answer
    x = 189,500.55

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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.