Home / 200,413.28-276,566.64-115,533.92

Finding the Fourth Proportional to 200,413.28, 276,566.64 and 115,533.92

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Solution

The fourth proportional to 200,413.28, 276,566.64 and 115,533.92 is: 159,434.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,413.28 : 276,566.64 = 115,533.92 : x
  2. Step 2: Convert to fraction form
    200,413.28/276,566.64 = 115,533.92/x
  3. Step 3: Cross multiply
    200,413.28x = 276,566.64 × 115,533.92
  4. Step 4: Simplify right side
    200,413.28x = 31,952,828,060.43
  5. Step 5: Solve for x
    x = 31,952,828,060.43/200,413.28
  6. Step 6: Final answer
    x = 159,434.68

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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.