Home / 343,660.38-474,254.01-190,699.17

Finding the Fourth Proportional to 343,660.38, 474,254.01 and 190,699.17

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Solution

The fourth proportional to 343,660.38, 474,254.01 and 190,699.17 is: 263,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,660.38 : 474,254.01 = 190,699.17 : x
  2. Step 2: Convert to fraction form
    343,660.38/474,254.01 = 190,699.17/x
  3. Step 3: Cross multiply
    343,660.38x = 474,254.01 × 190,699.17
  4. Step 4: Simplify right side
    343,660.38x = 90,439,846,076.17
  5. Step 5: Solve for x
    x = 90,439,846,076.17/343,660.38
  6. Step 6: Final answer
    x = 263,166.34

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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.