Home / 194,146.79-268,005.23-130,521.48

Finding the Fourth Proportional to 194,146.79, 268,005.23 and 130,521.48

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Solution

The fourth proportional to 194,146.79, 268,005.23 and 130,521.48 is: 180,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,146.79 : 268,005.23 = 130,521.48 : x
  2. Step 2: Convert to fraction form
    194,146.79/268,005.23 = 130,521.48/x
  3. Step 3: Cross multiply
    194,146.79x = 268,005.23 × 130,521.48
  4. Step 4: Simplify right side
    194,146.79x = 34,980,438,614.73
  5. Step 5: Solve for x
    x = 34,980,438,614.73/194,146.79
  6. Step 6: Final answer
    x = 180,175.21

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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.