Home / 160,542.18-221,549.82-96,867.72

Finding the Fourth Proportional to 160,542.18, 221,549.82 and 96,867.72

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Solution

The fourth proportional to 160,542.18, 221,549.82 and 96,867.72 is: 133,678.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,542.18 : 221,549.82 = 96,867.72 : x
  2. Step 2: Convert to fraction form
    160,542.18/221,549.82 = 96,867.72/x
  3. Step 3: Cross multiply
    160,542.18x = 221,549.82 × 96,867.72
  4. Step 4: Simplify right side
    160,542.18x = 21,461,025,929.81
  5. Step 5: Solve for x
    x = 21,461,025,929.81/160,542.18
  6. Step 6: Final answer
    x = 133,678.43

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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.