Home / 133,345.73-183,930.40-85,523.33

Finding the Fourth Proportional to 133,345.73, 183,930.40 and 85,523.33

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Solution

The fourth proportional to 133,345.73, 183,930.40 and 85,523.33 is: 117,966.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,345.73 : 183,930.40 = 85,523.33 : x
  2. Step 2: Convert to fraction form
    133,345.73/183,930.40 = 85,523.33/x
  3. Step 3: Cross multiply
    133,345.73x = 183,930.40 × 85,523.33
  4. Step 4: Simplify right side
    133,345.73x = 15,730,340,296.23
  5. Step 5: Solve for x
    x = 15,730,340,296.23/133,345.73
  6. Step 6: Final answer
    x = 117,966.58

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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.