Home / 118,973.10-164,196.60-71,226.42

Finding the Fourth Proportional to 118,973.10, 164,196.60 and 71,226.42

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Solution

The fourth proportional to 118,973.10, 164,196.60 and 71,226.42 is: 98,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,973.10 : 164,196.60 = 71,226.42 : x
  2. Step 2: Convert to fraction form
    118,973.10/164,196.60 = 71,226.42/x
  3. Step 3: Cross multiply
    118,973.10x = 164,196.60 × 71,226.42
  4. Step 4: Simplify right side
    118,973.10x = 11,695,135,994.17
  5. Step 5: Solve for x
    x = 11,695,135,994.17/118,973.10
  6. Step 6: Final answer
    x = 98,300.67

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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.