Home / 190,290.63-284,981.22-105,841.02

Finding the Fourth Proportional to 190,290.63, 284,981.22 and 105,841.02

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Solution

The fourth proportional to 190,290.63, 284,981.22 and 105,841.02 is: 158,508.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,290.63 : 284,981.22 = 105,841.02 : x
  2. Step 2: Convert to fraction form
    190,290.63/284,981.22 = 105,841.02/x
  3. Step 3: Cross multiply
    190,290.63x = 284,981.22 × 105,841.02
  4. Step 4: Simplify right side
    190,290.63x = 30,162,703,005.64
  5. Step 5: Solve for x
    x = 30,162,703,005.64/190,290.63
  6. Step 6: Final answer
    x = 158,508.61

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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.