Home / 347,148.13-479,039.52-194,178.28

Finding the Fourth Proportional to 347,148.13, 479,039.52 and 194,178.28

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Solution

The fourth proportional to 347,148.13, 479,039.52 and 194,178.28 is: 267,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,148.13 : 479,039.52 = 194,178.28 : x
  2. Step 2: Convert to fraction form
    347,148.13/479,039.52 = 194,178.28/x
  3. Step 3: Cross multiply
    347,148.13x = 479,039.52 × 194,178.28
  4. Step 4: Simplify right side
    347,148.13x = 93,019,070,045.63
  5. Step 5: Solve for x
    x = 93,019,070,045.63/347,148.13
  6. Step 6: Final answer
    x = 267,952.10

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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.