Home / 160,453.28-221,422.08-88,829.12

Finding the Fourth Proportional to 160,453.28, 221,422.08 and 88,829.12

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Solution

The fourth proportional to 160,453.28, 221,422.08 and 88,829.12 is: 122,582.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,453.28 : 221,422.08 = 88,829.12 : x
  2. Step 2: Convert to fraction form
    160,453.28/221,422.08 = 88,829.12/x
  3. Step 3: Cross multiply
    160,453.28x = 221,422.08 × 88,829.12
  4. Step 4: Simplify right side
    160,453.28x = 19,668,728,514.97
  5. Step 5: Solve for x
    x = 19,668,728,514.97/160,453.28
  6. Step 6: Final answer
    x = 122,582.28

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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.