Home / 210,103.12-289,932.78-114,606.55

Finding the Fourth Proportional to 210,103.12, 289,932.78 and 114,606.55

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Solution

The fourth proportional to 210,103.12, 289,932.78 and 114,606.55 is: 158,151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,103.12 : 289,932.78 = 114,606.55 : x
  2. Step 2: Convert to fraction form
    210,103.12/289,932.78 = 114,606.55/x
  3. Step 3: Cross multiply
    210,103.12x = 289,932.78 × 114,606.55
  4. Step 4: Simplify right side
    210,103.12x = 33,228,195,647.71
  5. Step 5: Solve for x
    x = 33,228,195,647.71/210,103.12
  6. Step 6: Final answer
    x = 158,151.84

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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.