Home / 118,413.04-177,689.58-43,585.72

Finding the Fourth Proportional to 118,413.04, 177,689.58 and 43,585.72

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Solution

The fourth proportional to 118,413.04, 177,689.58 and 43,585.72 is: 65,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,413.04 : 177,689.58 = 43,585.72 : x
  2. Step 2: Convert to fraction form
    118,413.04/177,689.58 = 43,585.72/x
  3. Step 3: Cross multiply
    118,413.04x = 177,689.58 × 43,585.72
  4. Step 4: Simplify right side
    118,413.04x = 7,744,728,280.80
  5. Step 5: Solve for x
    x = 7,744,728,280.80/118,413.04
  6. Step 6: Final answer
    x = 65,404.35

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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.