Home / 124,223.42-186,308.96-39,991.10

Finding the Fourth Proportional to 124,223.42, 186,308.96 and 39,991.10

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Solution

The fourth proportional to 124,223.42, 186,308.96 and 39,991.10 is: 59,978.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,223.42 : 186,308.96 = 39,991.10 : x
  2. Step 2: Convert to fraction form
    124,223.42/186,308.96 = 39,991.10/x
  3. Step 3: Cross multiply
    124,223.42x = 186,308.96 × 39,991.10
  4. Step 4: Simplify right side
    124,223.42x = 7,450,700,250.26
  5. Step 5: Solve for x
    x = 7,450,700,250.26/124,223.42
  6. Step 6: Final answer
    x = 59,978.23

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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.