Home / 154,019.20-231,028.80-94,662.40

Finding the Fourth Proportional to 154,019.20, 231,028.80 and 94,662.40

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Solution

The fourth proportional to 154,019.20, 231,028.80 and 94,662.40 is: 141,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,019.20 : 231,028.80 = 94,662.40 : x
  2. Step 2: Convert to fraction form
    154,019.20/231,028.80 = 94,662.40/x
  3. Step 3: Cross multiply
    154,019.20x = 231,028.80 × 94,662.40
  4. Step 4: Simplify right side
    154,019.20x = 21,869,740,677.12
  5. Step 5: Solve for x
    x = 21,869,740,677.12/154,019.20
  6. Step 6: Final answer
    x = 141,993.60

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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.