Home / 147,341.56-221,166.93-130,581.80

Finding the Fourth Proportional to 147,341.56, 221,166.93 and 130,581.80

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Solution

The fourth proportional to 147,341.56, 221,166.93 and 130,581.80 is: 196,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,341.56 : 221,166.93 = 130,581.80 : x
  2. Step 2: Convert to fraction form
    147,341.56/221,166.93 = 130,581.80/x
  3. Step 3: Cross multiply
    147,341.56x = 221,166.93 × 130,581.80
  4. Step 4: Simplify right side
    147,341.56x = 28,880,375,819.87
  5. Step 5: Solve for x
    x = 28,880,375,819.87/147,341.56
  6. Step 6: Final answer
    x = 196,009.71

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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.