Home / 211,230.48-316,367-148,332.36

Finding the Fourth Proportional to 211,230.48, 316,367 and 148,332.36

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Solution

The fourth proportional to 211,230.48, 316,367 and 148,332.36 is: 222,162.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,230.48 : 316,367 = 148,332.36 : x
  2. Step 2: Convert to fraction form
    211,230.48/316,367 = 148,332.36/x
  3. Step 3: Cross multiply
    211,230.48x = 316,367 × 148,332.36
  4. Step 4: Simplify right side
    211,230.48x = 46,927,463,736.12
  5. Step 5: Solve for x
    x = 46,927,463,736.12/211,230.48
  6. Step 6: Final answer
    x = 222,162.37

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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.