Home / 320,154.72-441,813.67-176,914.76

Finding the Fourth Proportional to 320,154.72, 441,813.67 and 176,914.76

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Solution

The fourth proportional to 320,154.72, 441,813.67 and 176,914.76 is: 244,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,154.72 : 441,813.67 = 176,914.76 : x
  2. Step 2: Convert to fraction form
    320,154.72/441,813.67 = 176,914.76/x
  3. Step 3: Cross multiply
    320,154.72x = 441,813.67 × 176,914.76
  4. Step 4: Simplify right side
    320,154.72x = 78,163,358,508.20
  5. Step 5: Solve for x
    x = 78,163,358,508.20/320,154.72
  6. Step 6: Final answer
    x = 244,142.46

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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.