Home / 190,784.16-263,281.92-105,901.04

Finding the Fourth Proportional to 190,784.16, 263,281.92 and 105,901.04

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Solution

The fourth proportional to 190,784.16, 263,281.92 and 105,901.04 is: 146,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,784.16 : 263,281.92 = 105,901.04 : x
  2. Step 2: Convert to fraction form
    190,784.16/263,281.92 = 105,901.04/x
  3. Step 3: Cross multiply
    190,784.16x = 263,281.92 × 105,901.04
  4. Step 4: Simplify right side
    190,784.16x = 27,881,829,141.20
  5. Step 5: Solve for x
    x = 27,881,829,141.20/190,784.16
  6. Step 6: Final answer
    x = 146,143.31

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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.