Home / 343,654.38-474,245.73-190,693.17

Finding the Fourth Proportional to 343,654.38, 474,245.73 and 190,693.17

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Solution

The fourth proportional to 343,654.38, 474,245.73 and 190,693.17 is: 263,158.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,654.38 : 474,245.73 = 190,693.17 : x
  2. Step 2: Convert to fraction form
    343,654.38/474,245.73 = 190,693.17/x
  3. Step 3: Cross multiply
    343,654.38x = 474,245.73 × 190,693.17
  4. Step 4: Simplify right side
    343,654.38x = 90,435,421,612.66
  5. Step 5: Solve for x
    x = 90,435,421,612.66/343,654.38
  6. Step 6: Final answer
    x = 263,158.06

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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.