Home / 118,928.19-164,207-76,560.52

Finding the Fourth Proportional to 118,928.19, 164,207 and 76,560.52

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Solution

The fourth proportional to 118,928.19, 164,207 and 76,560.52 is: 105,708.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,928.19 : 164,207 = 76,560.52 : x
  2. Step 2: Convert to fraction form
    118,928.19/164,207 = 76,560.52/x
  3. Step 3: Cross multiply
    118,928.19x = 164,207 × 76,560.52
  4. Step 4: Simplify right side
    118,928.19x = 12,571,773,307.64
  5. Step 5: Solve for x
    x = 12,571,773,307.64/118,928.19
  6. Step 6: Final answer
    x = 105,708.94

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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.