Home / 145,146.44-217,775.64-56,462.42

Finding the Fourth Proportional to 145,146.44, 217,775.64 and 56,462.42

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Solution

The fourth proportional to 145,146.44, 217,775.64 and 56,462.42 is: 84,715.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,146.44 : 217,775.64 = 56,462.42 : x
  2. Step 2: Convert to fraction form
    145,146.44/217,775.64 = 56,462.42/x
  3. Step 3: Cross multiply
    145,146.44x = 217,775.64 × 56,462.42
  4. Step 4: Simplify right side
    145,146.44x = 12,296,139,651.45
  5. Step 5: Solve for x
    x = 12,296,139,651.45/145,146.44
  6. Step 6: Final answer
    x = 84,715.41

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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.