Home / 188,288.04-259,729.02-112,792.80

Finding the Fourth Proportional to 188,288.04, 259,729.02 and 112,792.80

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Solution

The fourth proportional to 188,288.04, 259,729.02 and 112,792.80 is: 155,589.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,288.04 : 259,729.02 = 112,792.80 : x
  2. Step 2: Convert to fraction form
    188,288.04/259,729.02 = 112,792.80/x
  3. Step 3: Cross multiply
    188,288.04x = 259,729.02 × 112,792.80
  4. Step 4: Simplify right side
    188,288.04x = 29,295,563,407.06
  5. Step 5: Solve for x
    x = 29,295,563,407.06/188,288.04
  6. Step 6: Final answer
    x = 155,589.08

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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.