Home / 148,647.37-223,005.13-64,421.68

Finding the Fourth Proportional to 148,647.37, 223,005.13 and 64,421.68

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Solution

The fourth proportional to 148,647.37, 223,005.13 and 64,421.68 is: 96,647.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,647.37 : 223,005.13 = 64,421.68 : x
  2. Step 2: Convert to fraction form
    148,647.37/223,005.13 = 64,421.68/x
  3. Step 3: Cross multiply
    148,647.37x = 223,005.13 × 64,421.68
  4. Step 4: Simplify right side
    148,647.37x = 14,366,365,123.22
  5. Step 5: Solve for x
    x = 14,366,365,123.22/148,647.37
  6. Step 6: Final answer
    x = 96,647.29

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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.