Home / 158,732.26-219,055.83-87,116.23

Finding the Fourth Proportional to 158,732.26, 219,055.83 and 87,116.23

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Solution

The fourth proportional to 158,732.26, 219,055.83 and 87,116.23 is: 120,223.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,732.26 : 219,055.83 = 87,116.23 : x
  2. Step 2: Convert to fraction form
    158,732.26/219,055.83 = 87,116.23/x
  3. Step 3: Cross multiply
    158,732.26x = 219,055.83 × 87,116.23
  4. Step 4: Simplify right side
    158,732.26x = 19,083,318,069.12
  5. Step 5: Solve for x
    x = 19,083,318,069.12/158,732.26
  6. Step 6: Final answer
    x = 120,223.31

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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.