Home / 289,680.20-434,520.30-237,192.20

Finding the Fourth Proportional to 289,680.20, 434,520.30 and 237,192.20

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Solution

The fourth proportional to 289,680.20, 434,520.30 and 237,192.20 is: 355,788.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,680.20 : 434,520.30 = 237,192.20 : x
  2. Step 2: Convert to fraction form
    289,680.20/434,520.30 = 237,192.20/x
  3. Step 3: Cross multiply
    289,680.20x = 434,520.30 × 237,192.20
  4. Step 4: Simplify right side
    289,680.20x = 103,064,825,901.66
  5. Step 5: Solve for x
    x = 103,064,825,901.66/289,680.20
  6. Step 6: Final answer
    x = 355,788.30

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1.5x scale

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.