Home / 289,262.08-433,730.68-198,180.28

Finding the Fourth Proportional to 289,262.08, 433,730.68 and 198,180.28

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Solution

The fourth proportional to 289,262.08, 433,730.68 and 198,180.28 is: 297,159.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,262.08 : 433,730.68 = 198,180.28 : x
  2. Step 2: Convert to fraction form
    289,262.08/433,730.68 = 198,180.28/x
  3. Step 3: Cross multiply
    289,262.08x = 433,730.68 × 198,180.28
  4. Step 4: Simplify right side
    289,262.08x = 85,956,867,606.99
  5. Step 5: Solve for x
    x = 85,956,867,606.99/289,262.08
  6. Step 6: Final answer
    x = 297,159.13

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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.