Home / 134,390.58-185,459.03-73,961.20

Finding the Fourth Proportional to 134,390.58, 185,459.03 and 73,961.20

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Solution

The fourth proportional to 134,390.58, 185,459.03 and 73,961.20 is: 102,066.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,390.58 : 185,459.03 = 73,961.20 : x
  2. Step 2: Convert to fraction form
    134,390.58/185,459.03 = 73,961.20/x
  3. Step 3: Cross multiply
    134,390.58x = 185,459.03 × 73,961.20
  4. Step 4: Simplify right side
    134,390.58x = 13,716,772,409.64
  5. Step 5: Solve for x
    x = 13,716,772,409.64/134,390.58
  6. Step 6: Final answer
    x = 102,066.47

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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.