Home / 347,126.77-520,736.73-122,434.39

Finding the Fourth Proportional to 347,126.77, 520,736.73 and 122,434.39

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Solution

The fourth proportional to 347,126.77, 520,736.73 and 122,434.39 is: 183,668.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,126.77 : 520,736.73 = 122,434.39 : x
  2. Step 2: Convert to fraction form
    347,126.77/520,736.73 = 122,434.39/x
  3. Step 3: Cross multiply
    347,126.77x = 520,736.73 × 122,434.39
  4. Step 4: Simplify right side
    347,126.77x = 63,756,083,888.14
  5. Step 5: Solve for x
    x = 63,756,083,888.14/347,126.77
  6. Step 6: Final answer
    x = 183,668.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.