Home / 200,403.92-276,607.32-115,572.08

Finding the Fourth Proportional to 200,403.92, 276,607.32 and 115,572.08

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Solution

The fourth proportional to 200,403.92, 276,607.32 and 115,572.08 is: 159,518.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,403.92 : 276,607.32 = 115,572.08 : x
  2. Step 2: Convert to fraction form
    200,403.92/276,607.32 = 115,572.08/x
  3. Step 3: Cross multiply
    200,403.92x = 276,607.32 × 115,572.08
  4. Step 4: Simplify right side
    200,403.92x = 31,968,083,315.63
  5. Step 5: Solve for x
    x = 31,968,083,315.63/200,403.92
  6. Step 6: Final answer
    x = 159,518.25

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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.