Home / 130,152.58-195,006.06-71,029.78

Finding the Fourth Proportional to 130,152.58, 195,006.06 and 71,029.78

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Solution

The fourth proportional to 130,152.58, 195,006.06 and 71,029.78 is: 106,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,152.58 : 195,006.06 = 71,029.78 : x
  2. Step 2: Convert to fraction form
    130,152.58/195,006.06 = 71,029.78/x
  3. Step 3: Cross multiply
    130,152.58x = 195,006.06 × 71,029.78
  4. Step 4: Simplify right side
    130,152.58x = 13,851,237,052.95
  5. Step 5: Solve for x
    x = 13,851,237,052.95/130,152.58
  6. Step 6: Final answer
    x = 106,423.07

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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.