Home / 164,688.84-227,270.68-89,237.36

Finding the Fourth Proportional to 164,688.84, 227,270.68 and 89,237.36

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Solution

The fourth proportional to 164,688.84, 227,270.68 and 89,237.36 is: 123,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,688.84 : 227,270.68 = 89,237.36 : x
  2. Step 2: Convert to fraction form
    164,688.84/227,270.68 = 89,237.36/x
  3. Step 3: Cross multiply
    164,688.84x = 227,270.68 × 89,237.36
  4. Step 4: Simplify right side
    164,688.84x = 20,281,035,488.60
  5. Step 5: Solve for x
    x = 20,281,035,488.60/164,688.84
  6. Step 6: Final answer
    x = 123,147.60

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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.