Home / 149,966.84-206,983.02-96,319.64

Finding the Fourth Proportional to 149,966.84, 206,983.02 and 96,319.64

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Solution

The fourth proportional to 149,966.84, 206,983.02 and 96,319.64 is: 132,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,966.84 : 206,983.02 = 96,319.64 : x
  2. Step 2: Convert to fraction form
    149,966.84/206,983.02 = 96,319.64/x
  3. Step 3: Cross multiply
    149,966.84x = 206,983.02 × 96,319.64
  4. Step 4: Simplify right side
    149,966.84x = 19,936,529,972.51
  5. Step 5: Solve for x
    x = 19,936,529,972.51/149,966.84
  6. Step 6: Final answer
    x = 132,939.59

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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.