Home / 160,580.21-221,593.32-87,982.74

Finding the Fourth Proportional to 160,580.21, 221,593.32 and 87,982.74

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Solution

The fourth proportional to 160,580.21, 221,593.32 and 87,982.74 is: 121,412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,580.21 : 221,593.32 = 87,982.74 : x
  2. Step 2: Convert to fraction form
    160,580.21/221,593.32 = 87,982.74/x
  3. Step 3: Cross multiply
    160,580.21x = 221,593.32 × 87,982.74
  4. Step 4: Simplify right side
    160,580.21x = 19,496,387,459.30
  5. Step 5: Solve for x
    x = 19,496,387,459.30/160,580.21
  6. Step 6: Final answer
    x = 121,412.15

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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.