Home / 121,724.17-168,715.58-114,716.12

Finding the Fourth Proportional to 121,724.17, 168,715.58 and 114,716.12

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Solution

The fourth proportional to 121,724.17, 168,715.58 and 114,716.12 is: 159,002.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,724.17 : 168,715.58 = 114,716.12 : x
  2. Step 2: Convert to fraction form
    121,724.17/168,715.58 = 114,716.12/x
  3. Step 3: Cross multiply
    121,724.17x = 168,715.58 × 114,716.12
  4. Step 4: Simplify right side
    121,724.17x = 19,354,395,303.99
  5. Step 5: Solve for x
    x = 19,354,395,303.99/121,724.17
  6. Step 6: Final answer
    x = 159,002.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.