Home / 219,739.23-329,618.42-107,513.93

Finding the Fourth Proportional to 219,739.23, 329,618.42 and 107,513.93

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Solution

The fourth proportional to 219,739.23, 329,618.42 and 107,513.93 is: 161,275.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,739.23 : 329,618.42 = 107,513.93 : x
  2. Step 2: Convert to fraction form
    219,739.23/329,618.42 = 107,513.93/x
  3. Step 3: Cross multiply
    219,739.23x = 329,618.42 × 107,513.93
  4. Step 4: Simplify right side
    219,739.23x = 35,438,572,424.24
  5. Step 5: Solve for x
    x = 35,438,572,424.24/219,739.23
  6. Step 6: Final answer
    x = 161,275.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.