Home / 169,872.04-254,621.22-69,977.76

Finding the Fourth Proportional to 169,872.04, 254,621.22 and 69,977.76

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Solution

The fourth proportional to 169,872.04, 254,621.22 and 69,977.76 is: 104,889.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,872.04 : 254,621.22 = 69,977.76 : x
  2. Step 2: Convert to fraction form
    169,872.04/254,621.22 = 69,977.76/x
  3. Step 3: Cross multiply
    169,872.04x = 254,621.22 × 69,977.76
  4. Step 4: Simplify right side
    169,872.04x = 17,817,822,624.07
  5. Step 5: Solve for x
    x = 17,817,822,624.07/169,872.04
  6. Step 6: Final answer
    x = 104,889.67

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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.