Home / 187,764.19-281,646.71-45,608.83

Finding the Fourth Proportional to 187,764.19, 281,646.71 and 45,608.83

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Solution

The fourth proportional to 187,764.19, 281,646.71 and 45,608.83 is: 68,413.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,764.19 : 281,646.71 = 45,608.83 : x
  2. Step 2: Convert to fraction form
    187,764.19/281,646.71 = 45,608.83/x
  3. Step 3: Cross multiply
    187,764.19x = 281,646.71 × 45,608.83
  4. Step 4: Simplify right side
    187,764.19x = 12,845,576,916.45
  5. Step 5: Solve for x
    x = 12,845,576,916.45/187,764.19
  6. Step 6: Final answer
    x = 68,413.35

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1.5x scale

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.