Home / 118,927.69-164,206.31-76,560.02

Finding the Fourth Proportional to 118,927.69, 164,206.31 and 76,560.02

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Solution

The fourth proportional to 118,927.69, 164,206.31 and 76,560.02 is: 105,708.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,927.69 : 164,206.31 = 76,560.02 : x
  2. Step 2: Convert to fraction form
    118,927.69/164,206.31 = 76,560.02/x
  3. Step 3: Cross multiply
    118,927.69x = 164,206.31 × 76,560.02
  4. Step 4: Simplify right side
    118,927.69x = 12,571,637,994.93
  5. Step 5: Solve for x
    x = 12,571,637,994.93/118,927.69
  6. Step 6: Final answer
    x = 105,708.25

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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.