Home / 160,469.34-221,451.15-87,875.29

Finding the Fourth Proportional to 160,469.34, 221,451.15 and 87,875.29

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Solution

The fourth proportional to 160,469.34, 221,451.15 and 87,875.29 is: 121,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,469.34 : 221,451.15 = 87,875.29 : x
  2. Step 2: Convert to fraction form
    160,469.34/221,451.15 = 87,875.29/x
  3. Step 3: Cross multiply
    160,469.34x = 221,451.15 × 87,875.29
  4. Step 4: Simplify right side
    160,469.34x = 19,460,084,027.08
  5. Step 5: Solve for x
    x = 19,460,084,027.08/160,469.34
  6. Step 6: Final answer
    x = 121,269.80

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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.