Home / 147,868.80-221,803.20-100,629.60

Finding the Fourth Proportional to 147,868.80, 221,803.20 and 100,629.60

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Solution

The fourth proportional to 147,868.80, 221,803.20 and 100,629.60 is: 150,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,868.80 : 221,803.20 = 100,629.60 : x
  2. Step 2: Convert to fraction form
    147,868.80/221,803.20 = 100,629.60/x
  3. Step 3: Cross multiply
    147,868.80x = 221,803.20 × 100,629.60
  4. Step 4: Simplify right side
    147,868.80x = 22,319,967,294.72
  5. Step 5: Solve for x
    x = 22,319,967,294.72/147,868.80
  6. Step 6: Final answer
    x = 150,944.40

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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.