Home / 118,608.07-163,656.57-67,618.57

Finding the Fourth Proportional to 118,608.07, 163,656.57 and 67,618.57

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Solution

The fourth proportional to 118,608.07, 163,656.57 and 67,618.57 is: 93,300.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,608.07 : 163,656.57 = 67,618.57 : x
  2. Step 2: Convert to fraction form
    118,608.07/163,656.57 = 67,618.57/x
  3. Step 3: Cross multiply
    118,608.07x = 163,656.57 × 67,618.57
  4. Step 4: Simplify right side
    118,608.07x = 11,066,223,234.50
  5. Step 5: Solve for x
    x = 11,066,223,234.50/118,608.07
  6. Step 6: Final answer
    x = 93,300.76

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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.