Home / 302,046.03-453,065.40-77,404.68

Finding the Fourth Proportional to 302,046.03, 453,065.40 and 77,404.68

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Solution

The fourth proportional to 302,046.03, 453,065.40 and 77,404.68 is: 116,106.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,046.03 : 453,065.40 = 77,404.68 : x
  2. Step 2: Convert to fraction form
    302,046.03/453,065.40 = 77,404.68/x
  3. Step 3: Cross multiply
    302,046.03x = 453,065.40 × 77,404.68
  4. Step 4: Simplify right side
    302,046.03x = 35,069,382,306.07
  5. Step 5: Solve for x
    x = 35,069,382,306.07/302,046.03
  6. Step 6: Final answer
    x = 116,106.09

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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.