Home / 312,448.27-468,673.09-112,909.58

Finding the Fourth Proportional to 312,448.27, 468,673.09 and 112,909.58

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Solution

The fourth proportional to 312,448.27, 468,673.09 and 112,909.58 is: 169,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,448.27 : 468,673.09 = 112,909.58 : x
  2. Step 2: Convert to fraction form
    312,448.27/468,673.09 = 112,909.58/x
  3. Step 3: Cross multiply
    312,448.27x = 468,673.09 × 112,909.58
  4. Step 4: Simplify right side
    312,448.27x = 52,917,680,881.09
  5. Step 5: Solve for x
    x = 52,917,680,881.09/312,448.27
  6. Step 6: Final answer
    x = 169,364.62

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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.