Home / 317,711.07-438,441.27-174,473.51

Finding the Fourth Proportional to 317,711.07, 438,441.27 and 174,473.51

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Solution

The fourth proportional to 317,711.07, 438,441.27 and 174,473.51 is: 240,773.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,711.07 : 438,441.27 = 174,473.51 : x
  2. Step 2: Convert to fraction form
    317,711.07/438,441.27 = 174,473.51/x
  3. Step 3: Cross multiply
    317,711.07x = 438,441.27 × 174,473.51
  4. Step 4: Simplify right side
    317,711.07x = 76,496,385,113.55
  5. Step 5: Solve for x
    x = 76,496,385,113.55/317,711.07
  6. Step 6: Final answer
    x = 240,773.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.