Home / 145,966.14-218,522.40-131,958.24

Finding the Fourth Proportional to 145,966.14, 218,522.40 and 131,958.24

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Solution

The fourth proportional to 145,966.14, 218,522.40 and 131,958.24 is: 197,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,966.14 : 218,522.40 = 131,958.24 : x
  2. Step 2: Convert to fraction form
    145,966.14/218,522.40 = 131,958.24/x
  3. Step 3: Cross multiply
    145,966.14x = 218,522.40 × 131,958.24
  4. Step 4: Simplify right side
    145,966.14x = 28,835,831,304.58
  5. Step 5: Solve for x
    x = 28,835,831,304.58/145,966.14
  6. Step 6: Final answer
    x = 197,551.51

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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.