Home / 160,640.28-221,677.56-89,018.46

Finding the Fourth Proportional to 160,640.28, 221,677.56 and 89,018.46

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Solution

The fourth proportional to 160,640.28, 221,677.56 and 89,018.46 is: 122,842.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,640.28 : 221,677.56 = 89,018.46 : x
  2. Step 2: Convert to fraction form
    160,640.28/221,677.56 = 89,018.46/x
  3. Step 3: Cross multiply
    160,640.28x = 221,677.56 × 89,018.46
  4. Step 4: Simplify right side
    160,640.28x = 19,733,395,007.76
  5. Step 5: Solve for x
    x = 19,733,395,007.76/160,640.28
  6. Step 6: Final answer
    x = 122,842.14

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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.