Home / 118,925.67-164,203.55-76,558.02

Finding the Fourth Proportional to 118,925.67, 164,203.55 and 76,558.02

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Solution

The fourth proportional to 118,925.67, 164,203.55 and 76,558.02 is: 105,705.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,925.67 : 164,203.55 = 76,558.02 : x
  2. Step 2: Convert to fraction form
    118,925.67/164,203.55 = 76,558.02/x
  3. Step 3: Cross multiply
    118,925.67x = 164,203.55 × 76,558.02
  4. Step 4: Simplify right side
    118,925.67x = 12,571,098,282.18
  5. Step 5: Solve for x
    x = 12,571,098,282.18/118,925.67
  6. Step 6: Final answer
    x = 105,705.51

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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.