Home / 320,929.92-442,890.20-175,741.83

Finding the Fourth Proportional to 320,929.92, 442,890.20 and 175,741.83

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Solution

The fourth proportional to 320,929.92, 442,890.20 and 175,741.83 is: 242,527.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,929.92 : 442,890.20 = 175,741.83 : x
  2. Step 2: Convert to fraction form
    320,929.92/442,890.20 = 175,741.83/x
  3. Step 3: Cross multiply
    320,929.92x = 442,890.20 × 175,741.83
  4. Step 4: Simplify right side
    320,929.92x = 77,834,333,358.36
  5. Step 5: Solve for x
    x = 77,834,333,358.36/320,929.92
  6. Step 6: Final answer
    x = 242,527.51

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1.5x scale

Why These Related Problems?

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