Home / 147,816.80-221,725.20-100,577.60

Finding the Fourth Proportional to 147,816.80, 221,725.20 and 100,577.60

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Solution

The fourth proportional to 147,816.80, 221,725.20 and 100,577.60 is: 150,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,816.80 : 221,725.20 = 100,577.60 : x
  2. Step 2: Convert to fraction form
    147,816.80/221,725.20 = 100,577.60/x
  3. Step 3: Cross multiply
    147,816.80x = 221,725.20 × 100,577.60
  4. Step 4: Simplify right side
    147,816.80x = 22,300,588,475.52
  5. Step 5: Solve for x
    x = 22,300,588,475.52/147,816.80
  6. Step 6: Final answer
    x = 150,866.40

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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.