Home / 148,102.84-222,635.40-118,840.78

Finding the Fourth Proportional to 148,102.84, 222,635.40 and 118,840.78

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Solution

The fourth proportional to 148,102.84, 222,635.40 and 118,840.78 is: 178,647.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,102.84 : 222,635.40 = 118,840.78 : x
  2. Step 2: Convert to fraction form
    148,102.84/222,635.40 = 118,840.78/x
  3. Step 3: Cross multiply
    148,102.84x = 222,635.40 × 118,840.78
  4. Step 4: Simplify right side
    148,102.84x = 26,458,164,591.61
  5. Step 5: Solve for x
    x = 26,458,164,591.61/148,102.84
  6. Step 6: Final answer
    x = 178,647.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.