Home / 118,192.18-163,795.22-115,949.29

Finding the Fourth Proportional to 118,192.18, 163,795.22 and 115,949.29

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Solution

The fourth proportional to 118,192.18, 163,795.22 and 115,949.29 is: 160,686.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,192.18 : 163,795.22 = 115,949.29 : x
  2. Step 2: Convert to fraction form
    118,192.18/163,795.22 = 115,949.29/x
  3. Step 3: Cross multiply
    118,192.18x = 163,795.22 × 115,949.29
  4. Step 4: Simplify right side
    118,192.18x = 18,991,939,464.39
  5. Step 5: Solve for x
    x = 18,991,939,464.39/118,192.18
  6. Step 6: Final answer
    x = 160,686.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.