Home / 189,621.84-284,515.74-89,853.24

Finding the Fourth Proportional to 189,621.84, 284,515.74 and 89,853.24

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Solution

The fourth proportional to 189,621.84, 284,515.74 and 89,853.24 is: 134,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,621.84 : 284,515.74 = 89,853.24 : x
  2. Step 2: Convert to fraction form
    189,621.84/284,515.74 = 89,853.24/x
  3. Step 3: Cross multiply
    189,621.84x = 284,515.74 × 89,853.24
  4. Step 4: Simplify right side
    189,621.84x = 25,564,661,070.00
  5. Step 5: Solve for x
    x = 25,564,661,070.00/189,621.84
  6. Step 6: Final answer
    x = 134,819.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.