Home / 302,085.24-453,117.30-77,447.94

Finding the Fourth Proportional to 302,085.24, 453,117.30 and 77,447.94

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Solution

The fourth proportional to 302,085.24, 453,117.30 and 77,447.94 is: 116,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,085.24 : 453,117.30 = 77,447.94 : x
  2. Step 2: Convert to fraction form
    302,085.24/453,117.30 = 77,447.94/x
  3. Step 3: Cross multiply
    302,085.24x = 453,117.30 × 77,447.94
  4. Step 4: Simplify right side
    302,085.24x = 35,093,001,463.36
  5. Step 5: Solve for x
    x = 35,093,001,463.36/302,085.24
  6. Step 6: Final answer
    x = 116,169.20

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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.