Home / 209,701.42-314,555.79-69,463.69

Finding the Fourth Proportional to 209,701.42, 314,555.79 and 69,463.69

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Solution

The fourth proportional to 209,701.42, 314,555.79 and 69,463.69 is: 104,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,701.42 : 314,555.79 = 69,463.69 : x
  2. Step 2: Convert to fraction form
    209,701.42/314,555.79 = 69,463.69/x
  3. Step 3: Cross multiply
    209,701.42x = 314,555.79 × 69,463.69
  4. Step 4: Simplify right side
    209,701.42x = 21,850,205,884.27
  5. Step 5: Solve for x
    x = 21,850,205,884.27/209,701.42
  6. Step 6: Final answer
    x = 104,196.75

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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.