Home / 289,385.80-434,560.38-195,222.04

Finding the Fourth Proportional to 289,385.80, 434,560.38 and 195,222.04

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Solution

The fourth proportional to 289,385.80, 434,560.38 and 195,222.04 is: 293,158.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,385.80 : 434,560.38 = 195,222.04 : x
  2. Step 2: Convert to fraction form
    289,385.80/434,560.38 = 195,222.04/x
  3. Step 3: Cross multiply
    289,385.80x = 434,560.38 × 195,222.04
  4. Step 4: Simplify right side
    289,385.80x = 84,835,763,886.78
  5. Step 5: Solve for x
    x = 84,835,763,886.78/289,385.80
  6. Step 6: Final answer
    x = 293,158.01

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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.