Home / 321,749.70-444,006.12-176,555.03

Finding the Fourth Proportional to 321,749.70, 444,006.12 and 176,555.03

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Solution

The fourth proportional to 321,749.70, 444,006.12 and 176,555.03 is: 243,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,749.70 : 444,006.12 = 176,555.03 : x
  2. Step 2: Convert to fraction form
    321,749.70/444,006.12 = 176,555.03/x
  3. Step 3: Cross multiply
    321,749.70x = 444,006.12 × 176,555.03
  4. Step 4: Simplify right side
    321,749.70x = 78,391,514,946.80
  5. Step 5: Solve for x
    x = 78,391,514,946.80/321,749.70
  6. Step 6: Final answer
    x = 243,641.30

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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.