Home / 116,889.08-161,298.83-65,903.63

Finding the Fourth Proportional to 116,889.08, 161,298.83 and 65,903.63

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Solution

The fourth proportional to 116,889.08, 161,298.83 and 65,903.63 is: 90,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,889.08 : 161,298.83 = 65,903.63 : x
  2. Step 2: Convert to fraction form
    116,889.08/161,298.83 = 65,903.63/x
  3. Step 3: Cross multiply
    116,889.08x = 161,298.83 × 65,903.63
  4. Step 4: Simplify right side
    116,889.08x = 10,630,177,275.74
  5. Step 5: Solve for x
    x = 10,630,177,275.74/116,889.08
  6. Step 6: Final answer
    x = 90,942.44

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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.