Home / 134,533.56-185,649.47-74,102.91

Finding the Fourth Proportional to 134,533.56, 185,649.47 and 74,102.91

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Solution

The fourth proportional to 134,533.56, 185,649.47 and 74,102.91 is: 102,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,533.56 : 185,649.47 = 74,102.91 : x
  2. Step 2: Convert to fraction form
    134,533.56/185,649.47 = 74,102.91/x
  3. Step 3: Cross multiply
    134,533.56x = 185,649.47 × 74,102.91
  4. Step 4: Simplify right side
    134,533.56x = 13,757,165,178.14
  5. Step 5: Solve for x
    x = 13,757,165,178.14/134,533.56
  6. Step 6: Final answer
    x = 102,258.24

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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.