Home / 286,140.38-429,206.20-96,733.80

Finding the Fourth Proportional to 286,140.38, 429,206.20 and 96,733.80

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Solution

The fourth proportional to 286,140.38, 429,206.20 and 96,733.80 is: 145,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,140.38 : 429,206.20 = 96,733.80 : x
  2. Step 2: Convert to fraction form
    286,140.38/429,206.20 = 96,733.80/x
  3. Step 3: Cross multiply
    286,140.38x = 429,206.20 × 96,733.80
  4. Step 4: Simplify right side
    286,140.38x = 41,518,746,709.56
  5. Step 5: Solve for x
    x = 41,518,746,709.56/286,140.38
  6. Step 6: Final answer
    x = 145,099.22

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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.