Home / 160,805.48-221,884.98-89,174.12

Finding the Fourth Proportional to 160,805.48, 221,884.98 and 89,174.12

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Solution

The fourth proportional to 160,805.48, 221,884.98 and 89,174.12 is: 123,045.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,805.48 : 221,884.98 = 89,174.12 : x
  2. Step 2: Convert to fraction form
    160,805.48/221,884.98 = 89,174.12/x
  3. Step 3: Cross multiply
    160,805.48x = 221,884.98 × 89,174.12
  4. Step 4: Simplify right side
    160,805.48x = 19,786,397,832.72
  5. Step 5: Solve for x
    x = 19,786,397,832.72/160,805.48
  6. Step 6: Final answer
    x = 123,045.54

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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.