Home / 141,261.04-195,112.92-105,609.52

Finding the Fourth Proportional to 141,261.04, 195,112.92 and 105,609.52

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Solution

The fourth proportional to 141,261.04, 195,112.92 and 105,609.52 is: 145,870.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,261.04 : 195,112.92 = 105,609.52 : x
  2. Step 2: Convert to fraction form
    141,261.04/195,112.92 = 105,609.52/x
  3. Step 3: Cross multiply
    141,261.04x = 195,112.92 × 105,609.52
  4. Step 4: Simplify right side
    141,261.04x = 20,605,781,827.00
  5. Step 5: Solve for x
    x = 20,605,781,827.00/141,261.04
  6. Step 6: Final answer
    x = 145,870.24

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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.