Home / 118,270.88-177,413.68-39,392.16

Finding the Fourth Proportional to 118,270.88, 177,413.68 and 39,392.16

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Solution

The fourth proportional to 118,270.88, 177,413.68 and 39,392.16 is: 59,090.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,270.88 : 177,413.68 = 39,392.16 : x
  2. Step 2: Convert to fraction form
    118,270.88/177,413.68 = 39,392.16/x
  3. Step 3: Cross multiply
    118,270.88x = 177,413.68 × 39,392.16
  4. Step 4: Simplify right side
    118,270.88x = 6,988,708,068.75
  5. Step 5: Solve for x
    x = 6,988,708,068.75/118,270.88
  6. Step 6: Final answer
    x = 59,090.69

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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.