Home / 160,803.05-221,921.82-89,206.13

Finding the Fourth Proportional to 160,803.05, 221,921.82 and 89,206.13

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Solution

The fourth proportional to 160,803.05, 221,921.82 and 89,206.13 is: 123,112.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,803.05 : 221,921.82 = 89,206.13 : x
  2. Step 2: Convert to fraction form
    160,803.05/221,921.82 = 89,206.13/x
  3. Step 3: Cross multiply
    160,803.05x = 221,921.82 × 89,206.13
  4. Step 4: Simplify right side
    160,803.05x = 19,796,785,615.15
  5. Step 5: Solve for x
    x = 19,796,785,615.15/160,803.05
  6. Step 6: Final answer
    x = 123,112.01

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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.