Home / 211,490.44-291,926.60-189,070.28

Finding the Fourth Proportional to 211,490.44, 291,926.60 and 189,070.28

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Solution

The fourth proportional to 211,490.44, 291,926.60 and 189,070.28 is: 260,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,490.44 : 291,926.60 = 189,070.28 : x
  2. Step 2: Convert to fraction form
    211,490.44/291,926.60 = 189,070.28/x
  3. Step 3: Cross multiply
    211,490.44x = 291,926.60 × 189,070.28
  4. Step 4: Simplify right side
    211,490.44x = 55,194,643,014.49
  5. Step 5: Solve for x
    x = 55,194,643,014.49/211,490.44
  6. Step 6: Final answer
    x = 260,979.38

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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.