Home / 190,669.85-286,006.75-57,551.21

Finding the Fourth Proportional to 190,669.85, 286,006.75 and 57,551.21

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Solution

The fourth proportional to 190,669.85, 286,006.75 and 57,551.21 is: 86,327.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,669.85 : 286,006.75 = 57,551.21 : x
  2. Step 2: Convert to fraction form
    190,669.85/286,006.75 = 57,551.21/x
  3. Step 3: Cross multiply
    190,669.85x = 286,006.75 × 57,551.21
  4. Step 4: Simplify right side
    190,669.85x = 16,460,034,029.28
  5. Step 5: Solve for x
    x = 16,460,034,029.28/190,669.85
  6. Step 6: Final answer
    x = 86,327.41

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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.