Home / 159,541.26-220,161.51-87,922.41

Finding the Fourth Proportional to 159,541.26, 220,161.51 and 87,922.41

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Solution

The fourth proportional to 159,541.26, 220,161.51 and 87,922.41 is: 121,329.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,541.26 : 220,161.51 = 87,922.41 : x
  2. Step 2: Convert to fraction form
    159,541.26/220,161.51 = 87,922.41/x
  3. Step 3: Cross multiply
    159,541.26x = 220,161.51 × 87,922.41
  4. Step 4: Simplify right side
    159,541.26x = 19,357,130,548.44
  5. Step 5: Solve for x
    x = 19,357,130,548.44/159,541.26
  6. Step 6: Final answer
    x = 121,329.93

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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.