Home / 116,898.24-161,280.08-66,561.60

Finding the Fourth Proportional to 116,898.24, 161,280.08 and 66,561.60

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Solution

The fourth proportional to 116,898.24, 161,280.08 and 66,561.60 is: 91,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,898.24 : 161,280.08 = 66,561.60 : x
  2. Step 2: Convert to fraction form
    116,898.24/161,280.08 = 66,561.60/x
  3. Step 3: Cross multiply
    116,898.24x = 161,280.08 × 66,561.60
  4. Step 4: Simplify right side
    116,898.24x = 10,735,060,172.93
  5. Step 5: Solve for x
    x = 10,735,060,172.93/116,898.24
  6. Step 6: Final answer
    x = 91,832.52

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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.