Home / 194,156.16-268,018.17-130,530.87

Finding the Fourth Proportional to 194,156.16, 268,018.17 and 130,530.87

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Solution

The fourth proportional to 194,156.16, 268,018.17 and 130,530.87 is: 180,188.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,156.16 : 268,018.17 = 130,530.87 : x
  2. Step 2: Convert to fraction form
    194,156.16/268,018.17 = 130,530.87/x
  3. Step 3: Cross multiply
    194,156.16x = 268,018.17 × 130,530.87
  4. Step 4: Simplify right side
    194,156.16x = 34,984,644,905.91
  5. Step 5: Solve for x
    x = 34,984,644,905.91/194,156.16
  6. Step 6: Final answer
    x = 180,188.18

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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.