Home / 116,912.02-161,338.50-63,197.03

Finding the Fourth Proportional to 116,912.02, 161,338.50 and 63,197.03

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Solution

The fourth proportional to 116,912.02, 161,338.50 and 63,197.03 is: 87,211.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,912.02 : 161,338.50 = 63,197.03 : x
  2. Step 2: Convert to fraction form
    116,912.02/161,338.50 = 63,197.03/x
  3. Step 3: Cross multiply
    116,912.02x = 161,338.50 × 63,197.03
  4. Step 4: Simplify right side
    116,912.02x = 10,196,114,024.66
  5. Step 5: Solve for x
    x = 10,196,114,024.66/116,912.02
  6. Step 6: Final answer
    x = 87,211.85

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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.