Home / 285,483.15-393,332.36-188,514.81

Finding the Fourth Proportional to 285,483.15, 393,332.36 and 188,514.81

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Solution

The fourth proportional to 285,483.15, 393,332.36 and 188,514.81 is: 259,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,483.15 : 393,332.36 = 188,514.81 : x
  2. Step 2: Convert to fraction form
    285,483.15/393,332.36 = 188,514.81/x
  3. Step 3: Cross multiply
    285,483.15x = 393,332.36 × 188,514.81
  4. Step 4: Simplify right side
    285,483.15x = 74,148,974,169.68
  5. Step 5: Solve for x
    x = 74,148,974,169.68/285,483.15
  6. Step 6: Final answer
    x = 259,731.53

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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.