Home / 209,669.50-314,506.68-51,899.32

Finding the Fourth Proportional to 209,669.50, 314,506.68 and 51,899.32

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Solution

The fourth proportional to 209,669.50, 314,506.68 and 51,899.32 is: 77,849.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,669.50 : 314,506.68 = 51,899.32 : x
  2. Step 2: Convert to fraction form
    209,669.50/314,506.68 = 51,899.32/x
  3. Step 3: Cross multiply
    209,669.50x = 314,506.68 × 51,899.32
  4. Step 4: Simplify right side
    209,669.50x = 16,322,682,827.46
  5. Step 5: Solve for x
    x = 16,322,682,827.46/209,669.50
  6. Step 6: Final answer
    x = 77,849.58

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1.5x scale

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.