Home / 211,341.25-317,030.32-53,569.69

Finding the Fourth Proportional to 211,341.25, 317,030.32 and 53,569.69

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Solution

The fourth proportional to 211,341.25, 317,030.32 and 53,569.69 is: 80,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,341.25 : 317,030.32 = 53,569.69 : x
  2. Step 2: Convert to fraction form
    211,341.25/317,030.32 = 53,569.69/x
  3. Step 3: Cross multiply
    211,341.25x = 317,030.32 × 53,569.69
  4. Step 4: Simplify right side
    211,341.25x = 16,983,215,237.39
  5. Step 5: Solve for x
    x = 16,983,215,237.39/211,341.25
  6. Step 6: Final answer
    x = 80,359.21

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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.