Home / 118,988.17-164,267.63-91,904.56

Finding the Fourth Proportional to 118,988.17, 164,267.63 and 91,904.56

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Solution

The fourth proportional to 118,988.17, 164,267.63 and 91,904.56 is: 126,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,988.17 : 164,267.63 = 91,904.56 : x
  2. Step 2: Convert to fraction form
    118,988.17/164,267.63 = 91,904.56/x
  3. Step 3: Cross multiply
    118,988.17x = 164,267.63 × 91,904.56
  4. Step 4: Simplify right side
    118,988.17x = 15,096,944,257.39
  5. Step 5: Solve for x
    x = 15,096,944,257.39/118,988.17
  6. Step 6: Final answer
    x = 126,877.69

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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.