Home / 155,716.16-214,888.31-84,096.19

Finding the Fourth Proportional to 155,716.16, 214,888.31 and 84,096.19

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Solution

The fourth proportional to 155,716.16, 214,888.31 and 84,096.19 is: 116,052.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,716.16 : 214,888.31 = 84,096.19 : x
  2. Step 2: Convert to fraction form
    155,716.16/214,888.31 = 84,096.19/x
  3. Step 3: Cross multiply
    155,716.16x = 214,888.31 × 84,096.19
  4. Step 4: Simplify right side
    155,716.16x = 18,071,288,146.54
  5. Step 5: Solve for x
    x = 18,071,288,146.54/155,716.16
  6. Step 6: Final answer
    x = 116,052.75

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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.