Home / 148,088.40-222,132.60-125,999.70

Finding the Fourth Proportional to 148,088.40, 222,132.60 and 125,999.70

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Solution

The fourth proportional to 148,088.40, 222,132.60 and 125,999.70 is: 188,999.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,088.40 : 222,132.60 = 125,999.70 : x
  2. Step 2: Convert to fraction form
    148,088.40/222,132.60 = 125,999.70/x
  3. Step 3: Cross multiply
    148,088.40x = 222,132.60 × 125,999.70
  4. Step 4: Simplify right side
    148,088.40x = 27,988,640,960.22
  5. Step 5: Solve for x
    x = 27,988,640,960.22/148,088.40
  6. Step 6: Final answer
    x = 188,999.55

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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.