Home / 368,569.47-552,636.05-143,667.36

Finding the Fourth Proportional to 368,569.47, 552,636.05 and 143,667.36

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Solution

The fourth proportional to 368,569.47, 552,636.05 and 143,667.36 is: 215,416.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,569.47 : 552,636.05 = 143,667.36 : x
  2. Step 2: Convert to fraction form
    368,569.47/552,636.05 = 143,667.36/x
  3. Step 3: Cross multiply
    368,569.47x = 552,636.05 × 143,667.36
  4. Step 4: Simplify right side
    368,569.47x = 79,395,761,625.99
  5. Step 5: Solve for x
    x = 79,395,761,625.99/368,569.47
  6. Step 6: Final answer
    x = 215,416.00

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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.