Home / 143,916.48-215,875.13-55,197.18

Finding the Fourth Proportional to 143,916.48, 215,875.13 and 55,197.18

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Solution

The fourth proportional to 143,916.48, 215,875.13 and 55,197.18 is: 82,795.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,916.48 : 215,875.13 = 55,197.18 : x
  2. Step 2: Convert to fraction form
    143,916.48/215,875.13 = 55,197.18/x
  3. Step 3: Cross multiply
    143,916.48x = 215,875.13 × 55,197.18
  4. Step 4: Simplify right side
    143,916.48x = 11,915,698,132.15
  5. Step 5: Solve for x
    x = 11,915,698,132.15/143,916.48
  6. Step 6: Final answer
    x = 82,795.93

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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.