Home / 212,228.22-318,274.66-70,047.10

Finding the Fourth Proportional to 212,228.22, 318,274.66 and 70,047.10

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Solution

The fourth proportional to 212,228.22, 318,274.66 and 70,047.10 is: 105,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,228.22 : 318,274.66 = 70,047.10 : x
  2. Step 2: Convert to fraction form
    212,228.22/318,274.66 = 70,047.10/x
  3. Step 3: Cross multiply
    212,228.22x = 318,274.66 × 70,047.10
  4. Step 4: Simplify right side
    212,228.22x = 22,294,216,936.49
  5. Step 5: Solve for x
    x = 22,294,216,936.49/212,228.22
  6. Step 6: Final answer
    x = 105,048.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.