Home / 160,403.96-221,351.82-88,784.12

Finding the Fourth Proportional to 160,403.96, 221,351.82 and 88,784.12

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Solution

The fourth proportional to 160,403.96, 221,351.82 and 88,784.12 is: 122,518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,403.96 : 221,351.82 = 88,784.12 : x
  2. Step 2: Convert to fraction form
    160,403.96/221,351.82 = 88,784.12/x
  3. Step 3: Cross multiply
    160,403.96x = 221,351.82 × 88,784.12
  4. Step 4: Simplify right side
    160,403.96x = 19,652,526,549.10
  5. Step 5: Solve for x
    x = 19,652,526,549.10/160,403.96
  6. Step 6: Final answer
    x = 122,518.96

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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.