Home / 211,497.07-291,935.74-189,076.90

Finding the Fourth Proportional to 211,497.07, 291,935.74 and 189,076.90

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Solution

The fourth proportional to 211,497.07, 291,935.74 and 189,076.90 is: 260,988.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,497.07 : 291,935.74 = 189,076.90 : x
  2. Step 2: Convert to fraction form
    211,497.07/291,935.74 = 189,076.90/x
  3. Step 3: Cross multiply
    211,497.07x = 291,935.74 × 189,076.90
  4. Step 4: Simplify right side
    211,497.07x = 55,198,304,718.41
  5. Step 5: Solve for x
    x = 55,198,304,718.41/211,497.07
  6. Step 6: Final answer
    x = 260,988.51

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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.