Home / 347,341.51-479,357.04-194,395.03

Finding the Fourth Proportional to 347,341.51, 479,357.04 and 194,395.03

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Solution

The fourth proportional to 347,341.51, 479,357.04 and 194,395.03 is: 268,279.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,341.51 : 479,357.04 = 194,395.03 : x
  2. Step 2: Convert to fraction form
    347,341.51/479,357.04 = 194,395.03/x
  3. Step 3: Cross multiply
    347,341.51x = 479,357.04 × 194,395.03
  4. Step 4: Simplify right side
    347,341.51x = 93,184,626,171.51
  5. Step 5: Solve for x
    x = 93,184,626,171.51/347,341.51
  6. Step 6: Final answer
    x = 268,279.56

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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.