Home / 413,039.16-619,407.36-143,097.59

Finding the Fourth Proportional to 413,039.16, 619,407.36 and 143,097.59

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Solution

The fourth proportional to 413,039.16, 619,407.36 and 143,097.59 is: 214,593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,039.16 : 619,407.36 = 143,097.59 : x
  2. Step 2: Convert to fraction form
    413,039.16/619,407.36 = 143,097.59/x
  3. Step 3: Cross multiply
    413,039.16x = 619,407.36 × 143,097.59
  4. Step 4: Simplify right side
    413,039.16x = 88,635,697,347.23
  5. Step 5: Solve for x
    x = 88,635,697,347.23/413,039.16
  6. Step 6: Final answer
    x = 214,593.93

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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.