Home / 134,440.75-185,533.62-74,017.03

Finding the Fourth Proportional to 134,440.75, 185,533.62 and 74,017.03

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Solution

The fourth proportional to 134,440.75, 185,533.62 and 74,017.03 is: 102,146.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,440.75 : 185,533.62 = 74,017.03 : x
  2. Step 2: Convert to fraction form
    134,440.75/185,533.62 = 74,017.03/x
  3. Step 3: Cross multiply
    134,440.75x = 185,533.62 × 74,017.03
  4. Step 4: Simplify right side
    134,440.75x = 13,732,646,219.80
  5. Step 5: Solve for x
    x = 13,732,646,219.80/134,440.75
  6. Step 6: Final answer
    x = 102,146.46

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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.