Home / 316,784.66-437,162.82-189,460.26

Finding the Fourth Proportional to 316,784.66, 437,162.82 and 189,460.26

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Solution

The fourth proportional to 316,784.66, 437,162.82 and 189,460.26 is: 261,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,784.66 : 437,162.82 = 189,460.26 : x
  2. Step 2: Convert to fraction form
    316,784.66/437,162.82 = 189,460.26/x
  3. Step 3: Cross multiply
    316,784.66x = 437,162.82 × 189,460.26
  4. Step 4: Simplify right side
    316,784.66x = 82,824,981,539.53
  5. Step 5: Solve for x
    x = 82,824,981,539.53/316,784.66
  6. Step 6: Final answer
    x = 261,455.15

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1.5x scale

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.