Home / 194,664.25-268,637.03-105,240.25

Finding the Fourth Proportional to 194,664.25, 268,637.03 and 105,240.25

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Solution

The fourth proportional to 194,664.25, 268,637.03 and 105,240.25 is: 145,231.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,664.25 : 268,637.03 = 105,240.25 : x
  2. Step 2: Convert to fraction form
    194,664.25/268,637.03 = 105,240.25/x
  3. Step 3: Cross multiply
    194,664.25x = 268,637.03 × 105,240.25
  4. Step 4: Simplify right side
    194,664.25x = 28,271,428,196.46
  5. Step 5: Solve for x
    x = 28,271,428,196.46/194,664.25
  6. Step 6: Final answer
    x = 145,231.74

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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.