Home / 118,650.69-163,735.75-64,934.62

Finding the Fourth Proportional to 118,650.69, 163,735.75 and 64,934.62

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Solution

The fourth proportional to 118,650.69, 163,735.75 and 64,934.62 is: 89,608.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,650.69 : 163,735.75 = 64,934.62 : x
  2. Step 2: Convert to fraction form
    118,650.69/163,735.75 = 64,934.62/x
  3. Step 3: Cross multiply
    118,650.69x = 163,735.75 × 64,934.62
  4. Step 4: Simplify right side
    118,650.69x = 10,632,118,706.67
  5. Step 5: Solve for x
    x = 10,632,118,706.67/118,650.69
  6. Step 6: Final answer
    x = 89,608.57

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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.