Home / 160,237.91-221,119.29-87,626.39

Finding the Fourth Proportional to 160,237.91, 221,119.29 and 87,626.39

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Solution

The fourth proportional to 160,237.91, 221,119.29 and 87,626.39 is: 120,919.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,237.91 : 221,119.29 = 87,626.39 : x
  2. Step 2: Convert to fraction form
    160,237.91/221,119.29 = 87,626.39/x
  3. Step 3: Cross multiply
    160,237.91x = 221,119.29 × 87,626.39
  4. Step 4: Simplify right side
    160,237.91x = 19,375,884,036.47
  5. Step 5: Solve for x
    x = 19,375,884,036.47/160,237.91
  6. Step 6: Final answer
    x = 120,919.48

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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.