Home / 134,617.16-185,772.93-74,190.01

Finding the Fourth Proportional to 134,617.16, 185,772.93 and 74,190.01

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Solution

The fourth proportional to 134,617.16, 185,772.93 and 74,190.01 is: 102,382.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,617.16 : 185,772.93 = 74,190.01 : x
  2. Step 2: Convert to fraction form
    134,617.16/185,772.93 = 74,190.01/x
  3. Step 3: Cross multiply
    134,617.16x = 185,772.93 × 74,190.01
  4. Step 4: Simplify right side
    134,617.16x = 13,782,494,605.56
  5. Step 5: Solve for x
    x = 13,782,494,605.56/134,617.16
  6. Step 6: Final answer
    x = 102,382.90

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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.