Home / 147,662.40-221,493.60-130,166.40

Finding the Fourth Proportional to 147,662.40, 221,493.60 and 130,166.40

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Solution

The fourth proportional to 147,662.40, 221,493.60 and 130,166.40 is: 195,249.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,662.40 : 221,493.60 = 130,166.40 : x
  2. Step 2: Convert to fraction form
    147,662.40/221,493.60 = 130,166.40/x
  3. Step 3: Cross multiply
    147,662.40x = 221,493.60 × 130,166.40
  4. Step 4: Simplify right side
    147,662.40x = 28,831,024,535.04
  5. Step 5: Solve for x
    x = 28,831,024,535.04/147,662.40
  6. Step 6: Final answer
    x = 195,249.60

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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.