Home / 212,019.95-318,027.27-62,254.83

Finding the Fourth Proportional to 212,019.95, 318,027.27 and 62,254.83

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Solution

The fourth proportional to 212,019.95, 318,027.27 and 62,254.83 is: 93,381.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,019.95 : 318,027.27 = 62,254.83 : x
  2. Step 2: Convert to fraction form
    212,019.95/318,027.27 = 62,254.83/x
  3. Step 3: Cross multiply
    212,019.95x = 318,027.27 × 62,254.83
  4. Step 4: Simplify right side
    212,019.95x = 19,798,733,629.21
  5. Step 5: Solve for x
    x = 19,798,733,629.21/212,019.95
  6. Step 6: Final answer
    x = 93,381.47

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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.