Home / 118,015.20-176,828.40-58,723.20

Finding the Fourth Proportional to 118,015.20, 176,828.40 and 58,723.20

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Solution

The fourth proportional to 118,015.20, 176,828.40 and 58,723.20 is: 87,988.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,015.20 : 176,828.40 = 58,723.20 : x
  2. Step 2: Convert to fraction form
    118,015.20/176,828.40 = 58,723.20/x
  3. Step 3: Cross multiply
    118,015.20x = 176,828.40 × 58,723.20
  4. Step 4: Simplify right side
    118,015.20x = 10,383,929,498.88
  5. Step 5: Solve for x
    x = 10,383,929,498.88/118,015.20
  6. Step 6: Final answer
    x = 87,988.07

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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.