Home / 148,009.60-222,014.40-103,686.40

Finding the Fourth Proportional to 148,009.60, 222,014.40 and 103,686.40

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Solution

The fourth proportional to 148,009.60, 222,014.40 and 103,686.40 is: 155,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,009.60 : 222,014.40 = 103,686.40 : x
  2. Step 2: Convert to fraction form
    148,009.60/222,014.40 = 103,686.40/x
  3. Step 3: Cross multiply
    148,009.60x = 222,014.40 × 103,686.40
  4. Step 4: Simplify right side
    148,009.60x = 23,019,873,884.16
  5. Step 5: Solve for x
    x = 23,019,873,884.16/148,009.60
  6. Step 6: Final answer
    x = 155,529.60

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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.