Home / 194,632.28-268,592.40-105,208.28

Finding the Fourth Proportional to 194,632.28, 268,592.40 and 105,208.28

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Solution

The fourth proportional to 194,632.28, 268,592.40 and 105,208.28 is: 145,187.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,632.28 : 268,592.40 = 105,208.28 : x
  2. Step 2: Convert to fraction form
    194,632.28/268,592.40 = 105,208.28/x
  3. Step 3: Cross multiply
    194,632.28x = 268,592.40 × 105,208.28
  4. Step 4: Simplify right side
    194,632.28x = 28,258,144,425.07
  5. Step 5: Solve for x
    x = 28,258,144,425.07/194,632.28
  6. Step 6: Final answer
    x = 145,187.35

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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.