Home / 211,086.80-291,297.70-114,290.18

Finding the Fourth Proportional to 211,086.80, 291,297.70 and 114,290.18

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Solution

The fourth proportional to 211,086.80, 291,297.70 and 114,290.18 is: 157,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,086.80 : 291,297.70 = 114,290.18 : x
  2. Step 2: Convert to fraction form
    211,086.80/291,297.70 = 114,290.18/x
  3. Step 3: Cross multiply
    211,086.80x = 291,297.70 × 114,290.18
  4. Step 4: Simplify right side
    211,086.80x = 33,292,466,566.59
  5. Step 5: Solve for x
    x = 33,292,466,566.59/211,086.80
  6. Step 6: Final answer
    x = 157,719.32

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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.