Home / 130,447.13-195,667.90-35,677.31

Finding the Fourth Proportional to 130,447.13, 195,667.90 and 35,677.31

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Solution

The fourth proportional to 130,447.13, 195,667.90 and 35,677.31 is: 53,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,447.13 : 195,667.90 = 35,677.31 : x
  2. Step 2: Convert to fraction form
    130,447.13/195,667.90 = 35,677.31/x
  3. Step 3: Cross multiply
    130,447.13x = 195,667.90 × 35,677.31
  4. Step 4: Simplify right side
    130,447.13x = 6,980,903,257.82
  5. Step 5: Solve for x
    x = 6,980,903,257.82/130,447.13
  6. Step 6: Final answer
    x = 53,515.19

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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.