Home / 148,220.48-204,546.88-105,851.20

Finding the Fourth Proportional to 148,220.48, 204,546.88 and 105,851.20

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Solution

The fourth proportional to 148,220.48, 204,546.88 and 105,851.20 is: 146,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,220.48 : 204,546.88 = 105,851.20 : x
  2. Step 2: Convert to fraction form
    148,220.48/204,546.88 = 105,851.20/x
  3. Step 3: Cross multiply
    148,220.48x = 204,546.88 × 105,851.20
  4. Step 4: Simplify right side
    148,220.48x = 21,651,532,704.26
  5. Step 5: Solve for x
    x = 21,651,532,704.26/148,220.48
  6. Step 6: Final answer
    x = 146,076.53

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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.