Home / 212,509.24-318,822.06-62,749.40

Finding the Fourth Proportional to 212,509.24, 318,822.06 and 62,749.40

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Solution

The fourth proportional to 212,509.24, 318,822.06 and 62,749.40 is: 94,141.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,509.24 : 318,822.06 = 62,749.40 : x
  2. Step 2: Convert to fraction form
    212,509.24/318,822.06 = 62,749.40/x
  3. Step 3: Cross multiply
    212,509.24x = 318,822.06 × 62,749.40
  4. Step 4: Simplify right side
    212,509.24x = 20,005,893,318.10
  5. Step 5: Solve for x
    x = 20,005,893,318.10/212,509.24
  6. Step 6: Final answer
    x = 94,141.29

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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.