Home / 118,766.67-178,166.40-39,903.45

Finding the Fourth Proportional to 118,766.67, 178,166.40 and 39,903.45

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Solution

The fourth proportional to 118,766.67, 178,166.40 and 39,903.45 is: 59,860.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,766.67 : 178,166.40 = 39,903.45 : x
  2. Step 2: Convert to fraction form
    118,766.67/178,166.40 = 39,903.45/x
  3. Step 3: Cross multiply
    118,766.67x = 178,166.40 × 39,903.45
  4. Step 4: Simplify right side
    118,766.67x = 7,109,454,034.08
  5. Step 5: Solve for x
    x = 7,109,454,034.08/118,766.67
  6. Step 6: Final answer
    x = 59,860.68

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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.