Home / 347,397.36-479,340.23-194,442.23

Finding the Fourth Proportional to 347,397.36, 479,340.23 and 194,442.23

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Solution

The fourth proportional to 347,397.36, 479,340.23 and 194,442.23 is: 268,292.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,397.36 : 479,340.23 = 194,442.23 : x
  2. Step 2: Convert to fraction form
    347,397.36/479,340.23 = 194,442.23/x
  3. Step 3: Cross multiply
    347,397.36x = 479,340.23 × 194,442.23
  4. Step 4: Simplify right side
    347,397.36x = 93,203,979,881.00
  5. Step 5: Solve for x
    x = 93,203,979,881.00/347,397.36
  6. Step 6: Final answer
    x = 268,292.14

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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.