Home / 118,413.96-163,414.44-64,701.24

Finding the Fourth Proportional to 118,413.96, 163,414.44 and 64,701.24

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Solution

The fourth proportional to 118,413.96, 163,414.44 and 64,701.24 is: 89,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,413.96 : 163,414.44 = 64,701.24 : x
  2. Step 2: Convert to fraction form
    118,413.96/163,414.44 = 64,701.24/x
  3. Step 3: Cross multiply
    118,413.96x = 163,414.44 × 64,701.24
  4. Step 4: Simplify right side
    118,413.96x = 10,573,116,901.91
  5. Step 5: Solve for x
    x = 10,573,116,901.91/118,413.96
  6. Step 6: Final answer
    x = 89,289.45

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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.