Home / 148,989.31-223,478.95-64,749.48

Finding the Fourth Proportional to 148,989.31, 223,478.95 and 64,749.48

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Solution

The fourth proportional to 148,989.31, 223,478.95 and 64,749.48 is: 97,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,989.31 : 223,478.95 = 64,749.48 : x
  2. Step 2: Convert to fraction form
    148,989.31/223,478.95 = 64,749.48/x
  3. Step 3: Cross multiply
    148,989.31x = 223,478.95 × 64,749.48
  4. Step 4: Simplify right side
    148,989.31x = 14,470,145,148.48
  5. Step 5: Solve for x
    x = 14,470,145,148.48/148,989.31
  6. Step 6: Final answer
    x = 97,122.04

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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.