Home / 347,051.32-478,927.44-194,087.80

Finding the Fourth Proportional to 347,051.32, 478,927.44 and 194,087.80

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Solution

The fourth proportional to 347,051.32, 478,927.44 and 194,087.80 is: 267,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,051.32 : 478,927.44 = 194,087.80 : x
  2. Step 2: Convert to fraction form
    347,051.32/478,927.44 = 194,087.80/x
  3. Step 3: Cross multiply
    347,051.32x = 478,927.44 × 194,087.80
  4. Step 4: Simplify right side
    347,051.32x = 92,953,973,189.23
  5. Step 5: Solve for x
    x = 92,953,973,189.23/347,051.32
  6. Step 6: Final answer
    x = 267,839.27

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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.