Home / 190,922.90-286,384.35-164,095.70

Finding the Fourth Proportional to 190,922.90, 286,384.35 and 164,095.70

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Solution

The fourth proportional to 190,922.90, 286,384.35 and 164,095.70 is: 246,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,922.90 : 286,384.35 = 164,095.70 : x
  2. Step 2: Convert to fraction form
    190,922.90/286,384.35 = 164,095.70/x
  3. Step 3: Cross multiply
    190,922.90x = 286,384.35 × 164,095.70
  4. Step 4: Simplify right side
    190,922.90x = 46,994,440,382.30
  5. Step 5: Solve for x
    x = 46,994,440,382.30/190,922.90
  6. Step 6: Final answer
    x = 246,143.55

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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.