Home / 211,165.64-291,175.08-134,563.40

Finding the Fourth Proportional to 211,165.64, 291,175.08 and 134,563.40

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Solution

The fourth proportional to 211,165.64, 291,175.08 and 134,563.40 is: 185,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,165.64 : 291,175.08 = 134,563.40 : x
  2. Step 2: Convert to fraction form
    211,165.64/291,175.08 = 134,563.40/x
  3. Step 3: Cross multiply
    211,165.64x = 291,175.08 × 134,563.40
  4. Step 4: Simplify right side
    211,165.64x = 39,181,508,760.07
  5. Step 5: Solve for x
    x = 39,181,508,760.07/211,165.64
  6. Step 6: Final answer
    x = 185,548.69

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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.