Home / 194,595.18-268,541.19-105,171.18

Finding the Fourth Proportional to 194,595.18, 268,541.19 and 105,171.18

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Solution

The fourth proportional to 194,595.18, 268,541.19 and 105,171.18 is: 145,136.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,595.18 : 268,541.19 = 105,171.18 : x
  2. Step 2: Convert to fraction form
    194,595.18/268,541.19 = 105,171.18/x
  3. Step 3: Cross multiply
    194,595.18x = 268,541.19 × 105,171.18
  4. Step 4: Simplify right side
    194,595.18x = 28,242,793,830.90
  5. Step 5: Solve for x
    x = 28,242,793,830.90/194,595.18
  6. Step 6: Final answer
    x = 145,136.14

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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.