Home / 164,688.42-227,270.49-89,236.92

Finding the Fourth Proportional to 164,688.42, 227,270.49 and 89,236.92

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Solution

The fourth proportional to 164,688.42, 227,270.49 and 89,236.92 is: 123,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,688.42 : 227,270.49 = 89,236.92 : x
  2. Step 2: Convert to fraction form
    164,688.42/227,270.49 = 89,236.92/x
  3. Step 3: Cross multiply
    164,688.42x = 227,270.49 × 89,236.92
  4. Step 4: Simplify right side
    164,688.42x = 20,280,918,534.49
  5. Step 5: Solve for x
    x = 20,280,918,534.49/164,688.42
  6. Step 6: Final answer
    x = 123,147.20

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1.5x scale

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.