Home / 209,700.42-314,554.29-69,462.69

Finding the Fourth Proportional to 209,700.42, 314,554.29 and 69,462.69

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Solution

The fourth proportional to 209,700.42, 314,554.29 and 69,462.69 is: 104,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,700.42 : 314,554.29 = 69,462.69 : x
  2. Step 2: Convert to fraction form
    209,700.42/314,554.29 = 69,462.69/x
  3. Step 3: Cross multiply
    209,700.42x = 314,554.29 × 69,462.69
  4. Step 4: Simplify right side
    209,700.42x = 21,849,787,134.44
  5. Step 5: Solve for x
    x = 21,849,787,134.44/209,700.42
  6. Step 6: Final answer
    x = 104,195.25

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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.