Home / 118,268.90-177,431.70-39,383.81

Finding the Fourth Proportional to 118,268.90, 177,431.70 and 39,383.81

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Solution

The fourth proportional to 118,268.90, 177,431.70 and 39,383.81 is: 59,085.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,268.90 : 177,431.70 = 39,383.81 : x
  2. Step 2: Convert to fraction form
    118,268.90/177,431.70 = 39,383.81/x
  3. Step 3: Cross multiply
    118,268.90x = 177,431.70 × 39,383.81
  4. Step 4: Simplify right side
    118,268.90x = 6,987,936,360.78
  5. Step 5: Solve for x
    x = 6,987,936,360.78/118,268.90
  6. Step 6: Final answer
    x = 59,085.16

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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.