Home / 211,495.07-291,932.98-189,074.90

Finding the Fourth Proportional to 211,495.07, 291,932.98 and 189,074.90

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Solution

The fourth proportional to 211,495.07, 291,932.98 and 189,074.90 is: 260,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,495.07 : 291,932.98 = 189,074.90 : x
  2. Step 2: Convert to fraction form
    211,495.07/291,932.98 = 189,074.90/x
  3. Step 3: Cross multiply
    211,495.07x = 291,932.98 × 189,074.90
  4. Step 4: Simplify right side
    211,495.07x = 55,197,199,000.20
  5. Step 5: Solve for x
    x = 55,197,199,000.20/211,495.07
  6. Step 6: Final answer
    x = 260,985.75

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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.