Home / 118,956.04-164,147.84-71,208.36

Finding the Fourth Proportional to 118,956.04, 164,147.84 and 71,208.36

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Solution

The fourth proportional to 118,956.04, 164,147.84 and 71,208.36 is: 98,260.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,956.04 : 164,147.84 = 71,208.36 : x
  2. Step 2: Convert to fraction form
    118,956.04/164,147.84 = 71,208.36/x
  3. Step 3: Cross multiply
    118,956.04x = 164,147.84 × 71,208.36
  4. Step 4: Simplify right side
    118,956.04x = 11,688,698,483.94
  5. Step 5: Solve for x
    x = 11,688,698,483.94/118,956.04
  6. Step 6: Final answer
    x = 98,260.66

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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.