Home / 186,190.56-256,932-104,511.12

Finding the Fourth Proportional to 186,190.56, 256,932 and 104,511.12

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Solution

The fourth proportional to 186,190.56, 256,932 and 104,511.12 is: 144,219.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,190.56 : 256,932 = 104,511.12 : x
  2. Step 2: Convert to fraction form
    186,190.56/256,932 = 104,511.12/x
  3. Step 3: Cross multiply
    186,190.56x = 256,932 × 104,511.12
  4. Step 4: Simplify right side
    186,190.56x = 26,852,251,083.84
  5. Step 5: Solve for x
    x = 26,852,251,083.84/186,190.56
  6. Step 6: Final answer
    x = 144,219.19

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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.