Home / 148,017.60-222,026.40-84,772.80

Finding the Fourth Proportional to 148,017.60, 222,026.40 and 84,772.80

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Solution

The fourth proportional to 148,017.60, 222,026.40 and 84,772.80 is: 127,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,017.60 : 222,026.40 = 84,772.80 : x
  2. Step 2: Convert to fraction form
    148,017.60/222,026.40 = 84,772.80/x
  3. Step 3: Cross multiply
    148,017.60x = 222,026.40 × 84,772.80
  4. Step 4: Simplify right side
    148,017.60x = 18,821,799,601.92
  5. Step 5: Solve for x
    x = 18,821,799,601.92/148,017.60
  6. Step 6: Final answer
    x = 127,159.20

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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.