Home / 211,170.40-291,181.63-134,568.15

Finding the Fourth Proportional to 211,170.40, 291,181.63 and 134,568.15

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Solution

The fourth proportional to 211,170.40, 291,181.63 and 134,568.15 is: 185,555.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,170.40 : 291,181.63 = 134,568.15 : x
  2. Step 2: Convert to fraction form
    211,170.40/291,181.63 = 134,568.15/x
  3. Step 3: Cross multiply
    211,170.40x = 291,181.63 × 134,568.15
  4. Step 4: Simplify right side
    211,170.40x = 39,183,772,926.66
  5. Step 5: Solve for x
    x = 39,183,772,926.66/211,170.40
  6. Step 6: Final answer
    x = 185,555.24

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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.