Home / 207,129.32-310,025.72-107,151.84

Finding the Fourth Proportional to 207,129.32, 310,025.72 and 107,151.84

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Solution

The fourth proportional to 207,129.32, 310,025.72 and 107,151.84 is: 160,382.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,129.32 : 310,025.72 = 107,151.84 : x
  2. Step 2: Convert to fraction form
    207,129.32/310,025.72 = 107,151.84/x
  3. Step 3: Cross multiply
    207,129.32x = 310,025.72 × 107,151.84
  4. Step 4: Simplify right side
    207,129.32x = 33,219,826,345.32
  5. Step 5: Solve for x
    x = 33,219,826,345.32/207,129.32
  6. Step 6: Final answer
    x = 160,382.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.