Home / 118,928.17-164,206.98-76,560.52

Finding the Fourth Proportional to 118,928.17, 164,206.98 and 76,560.52

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Solution

The fourth proportional to 118,928.17, 164,206.98 and 76,560.52 is: 105,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,928.17 : 164,206.98 = 76,560.52 : x
  2. Step 2: Convert to fraction form
    118,928.17/164,206.98 = 76,560.52/x
  3. Step 3: Cross multiply
    118,928.17x = 164,206.98 × 76,560.52
  4. Step 4: Simplify right side
    118,928.17x = 12,571,771,776.43
  5. Step 5: Solve for x
    x = 12,571,771,776.43/118,928.17
  6. Step 6: Final answer
    x = 105,708.95

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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.