Home / 211,489.69-291,925.56-189,069.53

Finding the Fourth Proportional to 211,489.69, 291,925.56 and 189,069.53

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Solution

The fourth proportional to 211,489.69, 291,925.56 and 189,069.53 is: 260,978.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,489.69 : 291,925.56 = 189,069.53 : x
  2. Step 2: Convert to fraction form
    211,489.69/291,925.56 = 189,069.53/x
  3. Step 3: Cross multiply
    211,489.69x = 291,925.56 × 189,069.53
  4. Step 4: Simplify right side
    211,489.69x = 55,194,227,673.57
  5. Step 5: Solve for x
    x = 55,194,227,673.57/211,489.69
  6. Step 6: Final answer
    x = 260,978.34

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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.