Home / 164,775.30-227,390.16-89,323.80

Finding the Fourth Proportional to 164,775.30, 227,390.16 and 89,323.80

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Solution

The fourth proportional to 164,775.30, 227,390.16 and 89,323.80 is: 123,266.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,775.30 : 227,390.16 = 89,323.80 : x
  2. Step 2: Convert to fraction form
    164,775.30/227,390.16 = 89,323.80/x
  3. Step 3: Cross multiply
    164,775.30x = 227,390.16 × 89,323.80
  4. Step 4: Simplify right side
    164,775.30x = 20,311,353,173.81
  5. Step 5: Solve for x
    x = 20,311,353,173.81/164,775.30
  6. Step 6: Final answer
    x = 123,266.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.