Home / 161,806.02-223,299.89-90,186.50

Finding the Fourth Proportional to 161,806.02, 223,299.89 and 90,186.50

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Solution

The fourth proportional to 161,806.02, 223,299.89 and 90,186.50 is: 124,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,806.02 : 223,299.89 = 90,186.50 : x
  2. Step 2: Convert to fraction form
    161,806.02/223,299.89 = 90,186.50/x
  3. Step 3: Cross multiply
    161,806.02x = 223,299.89 × 90,186.50
  4. Step 4: Simplify right side
    161,806.02x = 20,138,635,529.49
  5. Step 5: Solve for x
    x = 20,138,635,529.49/161,806.02
  6. Step 6: Final answer
    x = 124,461.60

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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.