Home / 190,826.75-286,371.35-66,167.75

Finding the Fourth Proportional to 190,826.75, 286,371.35 and 66,167.75

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Solution

The fourth proportional to 190,826.75, 286,371.35 and 66,167.75 is: 99,297.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,826.75 : 286,371.35 = 66,167.75 : x
  2. Step 2: Convert to fraction form
    190,826.75/286,371.35 = 66,167.75/x
  3. Step 3: Cross multiply
    190,826.75x = 286,371.35 × 66,167.75
  4. Step 4: Simplify right side
    190,826.75x = 18,948,547,893.96
  5. Step 5: Solve for x
    x = 18,948,547,893.96/190,826.75
  6. Step 6: Final answer
    x = 99,297.13

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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.