Home / 185,760.82-256,428.41-125,413.21

Finding the Fourth Proportional to 185,760.82, 256,428.41 and 125,413.21

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Solution

The fourth proportional to 185,760.82, 256,428.41 and 125,413.21 is: 173,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,760.82 : 256,428.41 = 125,413.21 : x
  2. Step 2: Convert to fraction form
    185,760.82/256,428.41 = 125,413.21/x
  3. Step 3: Cross multiply
    185,760.82x = 256,428.41 × 125,413.21
  4. Step 4: Simplify right side
    185,760.82x = 32,159,510,346.83
  5. Step 5: Solve for x
    x = 32,159,510,346.83/185,760.82
  6. Step 6: Final answer
    x = 173,123.21

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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.