Home / 134,475.77-185,577.80-74,047.79

Finding the Fourth Proportional to 134,475.77, 185,577.80 and 74,047.79

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Solution

The fourth proportional to 134,475.77, 185,577.80 and 74,047.79 is: 102,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,475.77 : 185,577.80 = 74,047.79 : x
  2. Step 2: Convert to fraction form
    134,475.77/185,577.80 = 74,047.79/x
  3. Step 3: Cross multiply
    134,475.77x = 185,577.80 × 74,047.79
  4. Step 4: Simplify right side
    134,475.77x = 13,741,624,664.93
  5. Step 5: Solve for x
    x = 13,741,624,664.93/134,475.77
  6. Step 6: Final answer
    x = 102,186.63

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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.