Home / 207,563.56-286,444.74-122,753.32

Finding the Fourth Proportional to 207,563.56, 286,444.74 and 122,753.32

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Solution

The fourth proportional to 207,563.56, 286,444.74 and 122,753.32 is: 169,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,563.56 : 286,444.74 = 122,753.32 : x
  2. Step 2: Convert to fraction form
    207,563.56/286,444.74 = 122,753.32/x
  3. Step 3: Cross multiply
    207,563.56x = 286,444.74 × 122,753.32
  4. Step 4: Simplify right side
    207,563.56x = 35,162,042,831.54
  5. Step 5: Solve for x
    x = 35,162,042,831.54/207,563.56
  6. Step 6: Final answer
    x = 169,403.74

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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.