Home / 147,534.80-221,411.55-108,168.80

Finding the Fourth Proportional to 147,534.80, 221,411.55 and 108,168.80

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Solution

The fourth proportional to 147,534.80, 221,411.55 and 108,168.80 is: 162,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,534.80 : 221,411.55 = 108,168.80 : x
  2. Step 2: Convert to fraction form
    147,534.80/221,411.55 = 108,168.80/x
  3. Step 3: Cross multiply
    147,534.80x = 221,411.55 × 108,168.80
  4. Step 4: Simplify right side
    147,534.80x = 23,949,821,669.64
  5. Step 5: Solve for x
    x = 23,949,821,669.64/147,534.80
  6. Step 6: Final answer
    x = 162,333.37

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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.