Home / 302,470.05-453,748.28-102,799.65

Finding the Fourth Proportional to 302,470.05, 453,748.28 and 102,799.65

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Solution

The fourth proportional to 302,470.05, 453,748.28 and 102,799.65 is: 154,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,470.05 : 453,748.28 = 102,799.65 : x
  2. Step 2: Convert to fraction form
    302,470.05/453,748.28 = 102,799.65/x
  3. Step 3: Cross multiply
    302,470.05x = 453,748.28 × 102,799.65
  4. Step 4: Simplify right side
    302,470.05x = 46,645,163,858.10
  5. Step 5: Solve for x
    x = 46,645,163,858.10/302,470.05
  6. Step 6: Final answer
    x = 154,214.16

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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.