Home / 133,054.10-199,581.15-118,619.90

Finding the Fourth Proportional to 133,054.10, 199,581.15 and 118,619.90

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Solution

The fourth proportional to 133,054.10, 199,581.15 and 118,619.90 is: 177,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,054.10 : 199,581.15 = 118,619.90 : x
  2. Step 2: Convert to fraction form
    133,054.10/199,581.15 = 118,619.90/x
  3. Step 3: Cross multiply
    133,054.10x = 199,581.15 × 118,619.90
  4. Step 4: Simplify right side
    133,054.10x = 23,674,296,054.89
  5. Step 5: Solve for x
    x = 23,674,296,054.89/133,054.10
  6. Step 6: Final answer
    x = 177,929.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.