Home / 118,108.24-162,990.33-64,393.65

Finding the Fourth Proportional to 118,108.24, 162,990.33 and 64,393.65

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Solution

The fourth proportional to 118,108.24, 162,990.33 and 64,393.65 is: 88,863.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,108.24 : 162,990.33 = 64,393.65 : x
  2. Step 2: Convert to fraction form
    118,108.24/162,990.33 = 64,393.65/x
  3. Step 3: Cross multiply
    118,108.24x = 162,990.33 × 64,393.65
  4. Step 4: Simplify right side
    118,108.24x = 10,495,542,263.40
  5. Step 5: Solve for x
    x = 10,495,542,263.40/118,108.24
  6. Step 6: Final answer
    x = 88,863.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.