Home / 194,611.02-268,562.43-105,187.02

Finding the Fourth Proportional to 194,611.02, 268,562.43 and 105,187.02

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Solution

The fourth proportional to 194,611.02, 268,562.43 and 105,187.02 is: 145,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,611.02 : 268,562.43 = 105,187.02 : x
  2. Step 2: Convert to fraction form
    194,611.02/268,562.43 = 105,187.02/x
  3. Step 3: Cross multiply
    194,611.02x = 268,562.43 × 105,187.02
  4. Step 4: Simplify right side
    194,611.02x = 28,249,281,695.66
  5. Step 5: Solve for x
    x = 28,249,281,695.66/194,611.02
  6. Step 6: Final answer
    x = 145,157.67

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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.