Home / 116,025.84-159,816.18-81,975.23

Finding the Fourth Proportional to 116,025.84, 159,816.18 and 81,975.23

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Solution

The fourth proportional to 116,025.84, 159,816.18 and 81,975.23 is: 112,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,025.84 : 159,816.18 = 81,975.23 : x
  2. Step 2: Convert to fraction form
    116,025.84/159,816.18 = 81,975.23/x
  3. Step 3: Cross multiply
    116,025.84x = 159,816.18 × 81,975.23
  4. Step 4: Simplify right side
    116,025.84x = 13,100,967,314.14
  5. Step 5: Solve for x
    x = 13,100,967,314.14/116,025.84
  6. Step 6: Final answer
    x = 112,914.22

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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.