Home / 116,911.20-175,251.60-57,698.40

Finding the Fourth Proportional to 116,911.20, 175,251.60 and 57,698.40

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Solution

The fourth proportional to 116,911.20, 175,251.60 and 57,698.40 is: 86,490.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,911.20 : 175,251.60 = 57,698.40 : x
  2. Step 2: Convert to fraction form
    116,911.20/175,251.60 = 57,698.40/x
  3. Step 3: Cross multiply
    116,911.20x = 175,251.60 × 57,698.40
  4. Step 4: Simplify right side
    116,911.20x = 10,111,736,917.44
  5. Step 5: Solve for x
    x = 10,111,736,917.44/116,911.20
  6. Step 6: Final answer
    x = 86,490.75

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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.