Home / 151,569.81-209,185.79-126,032.25

Finding the Fourth Proportional to 151,569.81, 209,185.79 and 126,032.25

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Solution

The fourth proportional to 151,569.81, 209,185.79 and 126,032.25 is: 173,940.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,569.81 : 209,185.79 = 126,032.25 : x
  2. Step 2: Convert to fraction form
    151,569.81/209,185.79 = 126,032.25/x
  3. Step 3: Cross multiply
    151,569.81x = 209,185.79 × 126,032.25
  4. Step 4: Simplify right side
    151,569.81x = 26,364,156,644.94
  5. Step 5: Solve for x
    x = 26,364,156,644.94/151,569.81
  6. Step 6: Final answer
    x = 173,940.69

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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.