Home / 217,627.40-326,003.70-146,768.60

Finding the Fourth Proportional to 217,627.40, 326,003.70 and 146,768.60

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Solution

The fourth proportional to 217,627.40, 326,003.70 and 146,768.60 is: 219,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,627.40 : 326,003.70 = 146,768.60 : x
  2. Step 2: Convert to fraction form
    217,627.40/326,003.70 = 146,768.60/x
  3. Step 3: Cross multiply
    217,627.40x = 326,003.70 × 146,768.60
  4. Step 4: Simplify right side
    217,627.40x = 47,847,106,643.82
  5. Step 5: Solve for x
    x = 47,847,106,643.82/217,627.40
  6. Step 6: Final answer
    x = 219,857.92

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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.