Home / 429,252.08-643,483.92-148,573.04

Finding the Fourth Proportional to 429,252.08, 643,483.92 and 148,573.04

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Solution

The fourth proportional to 429,252.08, 643,483.92 and 148,573.04 is: 222,723.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,252.08 : 643,483.92 = 148,573.04 : x
  2. Step 2: Convert to fraction form
    429,252.08/643,483.92 = 148,573.04/x
  3. Step 3: Cross multiply
    429,252.08x = 643,483.92 × 148,573.04
  4. Step 4: Simplify right side
    429,252.08x = 95,604,362,185.52
  5. Step 5: Solve for x
    x = 95,604,362,185.52/429,252.08
  6. Step 6: Final answer
    x = 222,723.12

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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.