Home / 134,529.92-185,649.60-74,099.36

Finding the Fourth Proportional to 134,529.92, 185,649.60 and 74,099.36

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Solution

The fourth proportional to 134,529.92, 185,649.60 and 74,099.36 is: 102,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,529.92 : 185,649.60 = 74,099.36 : x
  2. Step 2: Convert to fraction form
    134,529.92/185,649.60 = 74,099.36/x
  3. Step 3: Cross multiply
    134,529.92x = 185,649.60 × 74,099.36
  4. Step 4: Simplify right side
    134,529.92x = 13,756,516,544.26
  5. Step 5: Solve for x
    x = 13,756,516,544.26/134,529.92
  6. Step 6: Final answer
    x = 102,256.19

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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.