Home / 118,032.30-177,048.45-113,439.60

Finding the Fourth Proportional to 118,032.30, 177,048.45 and 113,439.60

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Solution

The fourth proportional to 118,032.30, 177,048.45 and 113,439.60 is: 170,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,032.30 : 177,048.45 = 113,439.60 : x
  2. Step 2: Convert to fraction form
    118,032.30/177,048.45 = 113,439.60/x
  3. Step 3: Cross multiply
    118,032.30x = 177,048.45 × 113,439.60
  4. Step 4: Simplify right side
    118,032.30x = 20,084,305,348.62
  5. Step 5: Solve for x
    x = 20,084,305,348.62/118,032.30
  6. Step 6: Final answer
    x = 170,159.40

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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.