Home / 147,880.40-221,820.60-146,568.20

Finding the Fourth Proportional to 147,880.40, 221,820.60 and 146,568.20

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Solution

The fourth proportional to 147,880.40, 221,820.60 and 146,568.20 is: 219,852.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,880.40 : 221,820.60 = 146,568.20 : x
  2. Step 2: Convert to fraction form
    147,880.40/221,820.60 = 146,568.20/x
  3. Step 3: Cross multiply
    147,880.40x = 221,820.60 × 146,568.20
  4. Step 4: Simplify right side
    147,880.40x = 32,511,846,064.92
  5. Step 5: Solve for x
    x = 32,511,846,064.92/147,880.40
  6. Step 6: Final answer
    x = 219,852.30

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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.