Home / 286,535.10-429,651.45-96,930.30

Finding the Fourth Proportional to 286,535.10, 429,651.45 and 96,930.30

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Solution

The fourth proportional to 286,535.10, 429,651.45 and 96,930.30 is: 145,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,535.10 : 429,651.45 = 96,930.30 : x
  2. Step 2: Convert to fraction form
    286,535.10/429,651.45 = 96,930.30/x
  3. Step 3: Cross multiply
    286,535.10x = 429,651.45 × 96,930.30
  4. Step 4: Simplify right side
    286,535.10x = 41,646,243,943.94
  5. Step 5: Solve for x
    x = 41,646,243,943.94/286,535.10
  6. Step 6: Final answer
    x = 145,344.30

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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.