Home / 209,973.41-314,959.74-52,201.87

Finding the Fourth Proportional to 209,973.41, 314,959.74 and 52,201.87

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Solution

The fourth proportional to 209,973.41, 314,959.74 and 52,201.87 is: 78,302.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,973.41 : 314,959.74 = 52,201.87 : x
  2. Step 2: Convert to fraction form
    209,973.41/314,959.74 = 52,201.87/x
  3. Step 3: Cross multiply
    209,973.41x = 314,959.74 × 52,201.87
  4. Step 4: Simplify right side
    209,973.41x = 16,441,486,713.19
  5. Step 5: Solve for x
    x = 16,441,486,713.19/209,973.41
  6. Step 6: Final answer
    x = 78,302.71

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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.