Home / 130,342.90-195,588.24-70,370.57

Finding the Fourth Proportional to 130,342.90, 195,588.24 and 70,370.57

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Solution

The fourth proportional to 130,342.90, 195,588.24 and 70,370.57 is: 105,595.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,342.90 : 195,588.24 = 70,370.57 : x
  2. Step 2: Convert to fraction form
    130,342.90/195,588.24 = 70,370.57/x
  3. Step 3: Cross multiply
    130,342.90x = 195,588.24 × 70,370.57
  4. Step 4: Simplify right side
    130,342.90x = 13,763,656,686.96
  5. Step 5: Solve for x
    x = 13,763,656,686.96/130,342.90
  6. Step 6: Final answer
    x = 105,595.76

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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.