Home / 159,061.23-219,504.96-91,079.24

Finding the Fourth Proportional to 159,061.23, 219,504.96 and 91,079.24

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Solution

The fourth proportional to 159,061.23, 219,504.96 and 91,079.24 is: 125,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,061.23 : 219,504.96 = 91,079.24 : x
  2. Step 2: Convert to fraction form
    159,061.23/219,504.96 = 91,079.24/x
  3. Step 3: Cross multiply
    159,061.23x = 219,504.96 × 91,079.24
  4. Step 4: Simplify right side
    159,061.23x = 19,992,343,835.51
  5. Step 5: Solve for x
    x = 19,992,343,835.51/159,061.23
  6. Step 6: Final answer
    x = 125,689.61

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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.