Home / 124,188.08-186,136.32-57,487.34

Finding the Fourth Proportional to 124,188.08, 186,136.32 and 57,487.34

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Solution

The fourth proportional to 124,188.08, 186,136.32 and 57,487.34 is: 86,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,188.08 : 186,136.32 = 57,487.34 : x
  2. Step 2: Convert to fraction form
    124,188.08/186,136.32 = 57,487.34/x
  3. Step 3: Cross multiply
    124,188.08x = 186,136.32 × 57,487.34
  4. Step 4: Simplify right side
    124,188.08x = 10,700,481,914.19
  5. Step 5: Solve for x
    x = 10,700,481,914.19/124,188.08
  6. Step 6: Final answer
    x = 86,163.52

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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.