Home / 301,279.08-451,916.55-76,637.46

Finding the Fourth Proportional to 301,279.08, 451,916.55 and 76,637.46

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Solution

The fourth proportional to 301,279.08, 451,916.55 and 76,637.46 is: 114,955.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,279.08 : 451,916.55 = 76,637.46 : x
  2. Step 2: Convert to fraction form
    301,279.08/451,916.55 = 76,637.46/x
  3. Step 3: Cross multiply
    301,279.08x = 451,916.55 × 76,637.46
  4. Step 4: Simplify right side
    301,279.08x = 34,633,736,523.96
  5. Step 5: Solve for x
    x = 34,633,736,523.96/301,279.08
  6. Step 6: Final answer
    x = 114,955.66

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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.