Home / 130,166.52-195,026.89-71,043.67

Finding the Fourth Proportional to 130,166.52, 195,026.89 and 71,043.67

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Solution

The fourth proportional to 130,166.52, 195,026.89 and 71,043.67 is: 106,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,166.52 : 195,026.89 = 71,043.67 : x
  2. Step 2: Convert to fraction form
    130,166.52/195,026.89 = 71,043.67/x
  3. Step 3: Cross multiply
    130,166.52x = 195,026.89 × 71,043.67
  4. Step 4: Simplify right side
    130,166.52x = 13,855,426,014.29
  5. Step 5: Solve for x
    x = 13,855,426,014.29/130,166.52
  6. Step 6: Final answer
    x = 106,443.85

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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.