Home / 219,083.92-302,349.81-123,555.76

Finding the Fourth Proportional to 219,083.92, 302,349.81 and 123,555.76

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Solution

The fourth proportional to 219,083.92, 302,349.81 and 123,555.76 is: 170,514.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,083.92 : 302,349.81 = 123,555.76 : x
  2. Step 2: Convert to fraction form
    219,083.92/302,349.81 = 123,555.76/x
  3. Step 3: Cross multiply
    219,083.92x = 302,349.81 × 123,555.76
  4. Step 4: Simplify right side
    219,083.92x = 37,357,060,560.41
  5. Step 5: Solve for x
    x = 37,357,060,560.41/219,083.92
  6. Step 6: Final answer
    x = 170,514.84

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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.