Home / 172,913.40-238,615.74-96,434.82

Finding the Fourth Proportional to 172,913.40, 238,615.74 and 96,434.82

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Solution

The fourth proportional to 172,913.40, 238,615.74 and 96,434.82 is: 133,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,913.40 : 238,615.74 = 96,434.82 : x
  2. Step 2: Convert to fraction form
    172,913.40/238,615.74 = 96,434.82/x
  3. Step 3: Cross multiply
    172,913.40x = 238,615.74 × 96,434.82
  4. Step 4: Simplify right side
    172,913.40x = 23,010,865,936.07
  5. Step 5: Solve for x
    x = 23,010,865,936.07/172,913.40
  6. Step 6: Final answer
    x = 133,077.40

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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.