Home / 343,770.64-474,432.06-190,823.20

Finding the Fourth Proportional to 343,770.64, 474,432.06 and 190,823.20

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Solution

The fourth proportional to 343,770.64, 474,432.06 and 190,823.20 is: 263,351.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,770.64 : 474,432.06 = 190,823.20 : x
  2. Step 2: Convert to fraction form
    343,770.64/474,432.06 = 190,823.20/x
  3. Step 3: Cross multiply
    343,770.64x = 474,432.06 × 190,823.20
  4. Step 4: Simplify right side
    343,770.64x = 90,532,643,871.79
  5. Step 5: Solve for x
    x = 90,532,643,871.79/343,770.64
  6. Step 6: Final answer
    x = 263,351.88

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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.