Home / 289,063.10-433,594.65-205,082.30

Finding the Fourth Proportional to 289,063.10, 433,594.65 and 205,082.30

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Solution

The fourth proportional to 289,063.10, 433,594.65 and 205,082.30 is: 307,623.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,063.10 : 433,594.65 = 205,082.30 : x
  2. Step 2: Convert to fraction form
    289,063.10/433,594.65 = 205,082.30/x
  3. Step 3: Cross multiply
    289,063.10x = 433,594.65 × 205,082.30
  4. Step 4: Simplify right side
    289,063.10x = 88,922,588,089.70
  5. Step 5: Solve for x
    x = 88,922,588,089.70/289,063.10
  6. Step 6: Final answer
    x = 307,623.45

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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.