Home / 118,454.03-163,450.81-76,069.97

Finding the Fourth Proportional to 118,454.03, 163,450.81 and 76,069.97

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Solution

The fourth proportional to 118,454.03, 163,450.81 and 76,069.97 is: 104,966.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,454.03 : 163,450.81 = 76,069.97 : x
  2. Step 2: Convert to fraction form
    118,454.03/163,450.81 = 76,069.97/x
  3. Step 3: Cross multiply
    118,454.03x = 163,450.81 × 76,069.97
  4. Step 4: Simplify right side
    118,454.03x = 12,433,698,213.18
  5. Step 5: Solve for x
    x = 12,433,698,213.18/118,454.03
  6. Step 6: Final answer
    x = 104,966.44

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1.5x scale

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.