Home / 369,438.90-554,181.68-156,167.04

Finding the Fourth Proportional to 369,438.90, 554,181.68 and 156,167.04

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Solution

The fourth proportional to 369,438.90, 554,181.68 and 156,167.04 is: 234,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,438.90 : 554,181.68 = 156,167.04 : x
  2. Step 2: Convert to fraction form
    369,438.90/554,181.68 = 156,167.04/x
  3. Step 3: Cross multiply
    369,438.90x = 554,181.68 × 156,167.04
  4. Step 4: Simplify right side
    369,438.90x = 86,544,911,806.99
  5. Step 5: Solve for x
    x = 86,544,911,806.99/369,438.90
  6. Step 6: Final answer
    x = 234,260.42

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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.