Home / 118,925.18-164,202.85-76,557.52

Finding the Fourth Proportional to 118,925.18, 164,202.85 and 76,557.52

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Solution

The fourth proportional to 118,925.18, 164,202.85 and 76,557.52 is: 105,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,925.18 : 164,202.85 = 76,557.52 : x
  2. Step 2: Convert to fraction form
    118,925.18/164,202.85 = 76,557.52/x
  3. Step 3: Cross multiply
    118,925.18x = 164,202.85 × 76,557.52
  4. Step 4: Simplify right side
    118,925.18x = 12,570,962,972.93
  5. Step 5: Solve for x
    x = 12,570,962,972.93/118,925.18
  6. Step 6: Final answer
    x = 105,704.81

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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.