Home / 212,226.81-292,871.46-116,731.45

Finding the Fourth Proportional to 212,226.81, 292,871.46 and 116,731.45

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Solution

The fourth proportional to 212,226.81, 292,871.46 and 116,731.45 is: 161,088.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,226.81 : 292,871.46 = 116,731.45 : x
  2. Step 2: Convert to fraction form
    212,226.81/292,871.46 = 116,731.45/x
  3. Step 3: Cross multiply
    212,226.81x = 292,871.46 × 116,731.45
  4. Step 4: Simplify right side
    212,226.81x = 34,187,310,189.42
  5. Step 5: Solve for x
    x = 34,187,310,189.42/212,226.81
  6. Step 6: Final answer
    x = 161,088.56

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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.