Home / 147,833-203,769.96-115,511.12

Finding the Fourth Proportional to 147,833, 203,769.96 and 115,511.12

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Solution

The fourth proportional to 147,833, 203,769.96 and 115,511.12 is: 159,218.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,833 : 203,769.96 = 115,511.12 : x
  2. Step 2: Convert to fraction form
    147,833/203,769.96 = 115,511.12/x
  3. Step 3: Cross multiply
    147,833x = 203,769.96 × 115,511.12
  4. Step 4: Simplify right side
    147,833x = 23,537,696,301.96
  5. Step 5: Solve for x
    x = 23,537,696,301.96/147,833
  6. Step 6: Final answer
    x = 159,218.15

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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.