Home / 209,810.08-314,989.44-124,576.48

Finding the Fourth Proportional to 209,810.08, 314,989.44 and 124,576.48

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Solution

The fourth proportional to 209,810.08, 314,989.44 and 124,576.48 is: 187,027.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,810.08 : 314,989.44 = 124,576.48 : x
  2. Step 2: Convert to fraction form
    209,810.08/314,989.44 = 124,576.48/x
  3. Step 3: Cross multiply
    209,810.08x = 314,989.44 × 124,576.48
  4. Step 4: Simplify right side
    209,810.08x = 39,240,275,672.37
  5. Step 5: Solve for x
    x = 39,240,275,672.37/209,810.08
  6. Step 6: Final answer
    x = 187,027.60

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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.