Home / 320,719.11-442,592.55-175,524.81

Finding the Fourth Proportional to 320,719.11, 442,592.55 and 175,524.81

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Solution

The fourth proportional to 320,719.11, 442,592.55 and 175,524.81 is: 242,224.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,719.11 : 442,592.55 = 175,524.81 : x
  2. Step 2: Convert to fraction form
    320,719.11/442,592.55 = 175,524.81/x
  3. Step 3: Cross multiply
    320,719.11x = 442,592.55 × 175,524.81
  4. Step 4: Simplify right side
    320,719.11x = 77,685,973,246.17
  5. Step 5: Solve for x
    x = 77,685,973,246.17/320,719.11
  6. Step 6: Final answer
    x = 242,224.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.