Home / 116,511.77-160,735.65-74,047.52

Finding the Fourth Proportional to 116,511.77, 160,735.65 and 74,047.52

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Solution

The fourth proportional to 116,511.77, 160,735.65 and 74,047.52 is: 102,153.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,511.77 : 160,735.65 = 74,047.52 : x
  2. Step 2: Convert to fraction form
    116,511.77/160,735.65 = 74,047.52/x
  3. Step 3: Cross multiply
    116,511.77x = 160,735.65 × 74,047.52
  4. Step 4: Simplify right side
    116,511.77x = 11,902,076,258.09
  5. Step 5: Solve for x
    x = 11,902,076,258.09/116,511.77
  6. Step 6: Final answer
    x = 102,153.42

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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.