Home / 118,077.67-177,155.39-47,938.15

Finding the Fourth Proportional to 118,077.67, 177,155.39 and 47,938.15

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Solution

The fourth proportional to 118,077.67, 177,155.39 and 47,938.15 is: 71,923.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,077.67 : 177,155.39 = 47,938.15 : x
  2. Step 2: Convert to fraction form
    118,077.67/177,155.39 = 47,938.15/x
  3. Step 3: Cross multiply
    118,077.67x = 177,155.39 × 47,938.15
  4. Step 4: Simplify right side
    118,077.67x = 8,492,501,659.13
  5. Step 5: Solve for x
    x = 8,492,501,659.13/118,077.67
  6. Step 6: Final answer
    x = 71,923.01

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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.