Home / 194,146.53-268,004.88-130,521.23

Finding the Fourth Proportional to 194,146.53, 268,004.88 and 130,521.23

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Solution

The fourth proportional to 194,146.53, 268,004.88 and 130,521.23 is: 180,174.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,146.53 : 268,004.88 = 130,521.23 : x
  2. Step 2: Convert to fraction form
    194,146.53/268,004.88 = 130,521.23/x
  3. Step 3: Cross multiply
    194,146.53x = 268,004.88 × 130,521.23
  4. Step 4: Simplify right side
    194,146.53x = 34,980,325,931.00
  5. Step 5: Solve for x
    x = 34,980,325,931.00/194,146.53
  6. Step 6: Final answer
    x = 180,174.87

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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.