Home / 158,954.40-219,121.20-116,445.60

Finding the Fourth Proportional to 158,954.40, 219,121.20 and 116,445.60

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Solution

The fourth proportional to 158,954.40, 219,121.20 and 116,445.60 is: 160,522.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,954.40 : 219,121.20 = 116,445.60 : x
  2. Step 2: Convert to fraction form
    158,954.40/219,121.20 = 116,445.60/x
  3. Step 3: Cross multiply
    158,954.40x = 219,121.20 × 116,445.60
  4. Step 4: Simplify right side
    158,954.40x = 25,515,699,606.72
  5. Step 5: Solve for x
    x = 25,515,699,606.72/158,954.40
  6. Step 6: Final answer
    x = 160,522.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.