Home / 281,124.44-421,416.02-103,534.58

Finding the Fourth Proportional to 281,124.44, 421,416.02 and 103,534.58

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Solution

The fourth proportional to 281,124.44, 421,416.02 and 103,534.58 is: 155,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,124.44 : 421,416.02 = 103,534.58 : x
  2. Step 2: Convert to fraction form
    281,124.44/421,416.02 = 103,534.58/x
  3. Step 3: Cross multiply
    281,124.44x = 421,416.02 × 103,534.58
  4. Step 4: Simplify right side
    281,124.44x = 43,631,130,635.97
  5. Step 5: Solve for x
    x = 43,631,130,635.97/281,124.44
  6. Step 6: Final answer
    x = 155,202.20

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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.