Home / 118,043.62-162,900.23-64,328.65

Finding the Fourth Proportional to 118,043.62, 162,900.23 and 64,328.65

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Solution

The fourth proportional to 118,043.62, 162,900.23 and 64,328.65 is: 88,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,043.62 : 162,900.23 = 64,328.65 : x
  2. Step 2: Convert to fraction form
    118,043.62/162,900.23 = 64,328.65/x
  3. Step 3: Cross multiply
    118,043.62x = 162,900.23 × 64,328.65
  4. Step 4: Simplify right side
    118,043.62x = 10,479,151,151.70
  5. Step 5: Solve for x
    x = 10,479,151,151.70/118,043.62
  6. Step 6: Final answer
    x = 88,773.55

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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.