Home / 194,437.21-268,323.39-105,013.21

Finding the Fourth Proportional to 194,437.21, 268,323.39 and 105,013.21

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Solution

The fourth proportional to 194,437.21, 268,323.39 and 105,013.21 is: 144,918.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,437.21 : 268,323.39 = 105,013.21 : x
  2. Step 2: Convert to fraction form
    194,437.21/268,323.39 = 105,013.21/x
  3. Step 3: Cross multiply
    194,437.21x = 268,323.39 × 105,013.21
  4. Step 4: Simplify right side
    194,437.21x = 28,177,500,501.98
  5. Step 5: Solve for x
    x = 28,177,500,501.98/194,437.21
  6. Step 6: Final answer
    x = 144,918.25

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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.