Home / 116,467.38-160,724.10-66,166.38

Finding the Fourth Proportional to 116,467.38, 160,724.10 and 66,166.38

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Solution

The fourth proportional to 116,467.38, 160,724.10 and 66,166.38 is: 91,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,467.38 : 160,724.10 = 66,166.38 : x
  2. Step 2: Convert to fraction form
    116,467.38/160,724.10 = 66,166.38/x
  3. Step 3: Cross multiply
    116,467.38x = 160,724.10 × 66,166.38
  4. Step 4: Simplify right side
    116,467.38x = 10,634,531,875.76
  5. Step 5: Solve for x
    x = 10,634,531,875.76/116,467.38
  6. Step 6: Final answer
    x = 91,309.10

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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.