Home / 211,370.85-291,685.46-115,874.28

Finding the Fourth Proportional to 211,370.85, 291,685.46 and 115,874.28

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Solution

The fourth proportional to 211,370.85, 291,685.46 and 115,874.28 is: 159,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,370.85 : 291,685.46 = 115,874.28 : x
  2. Step 2: Convert to fraction form
    211,370.85/291,685.46 = 115,874.28/x
  3. Step 3: Cross multiply
    211,370.85x = 291,685.46 × 115,874.28
  4. Step 4: Simplify right side
    211,370.85x = 33,798,842,084.60
  5. Step 5: Solve for x
    x = 33,798,842,084.60/211,370.85
  6. Step 6: Final answer
    x = 159,903.04

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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.