Home / 102,819.16-154,316.22-73,309.24

Finding the Fourth Proportional to 102,819.16, 154,316.22 and 73,309.24

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Solution

The fourth proportional to 102,819.16, 154,316.22 and 73,309.24 is: 110,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,819.16 : 154,316.22 = 73,309.24 : x
  2. Step 2: Convert to fraction form
    102,819.16/154,316.22 = 73,309.24/x
  3. Step 3: Cross multiply
    102,819.16x = 154,316.22 × 73,309.24
  4. Step 4: Simplify right side
    102,819.16x = 11,312,804,807.87
  5. Step 5: Solve for x
    x = 11,312,804,807.87/102,819.16
  6. Step 6: Final answer
    x = 110,026.23

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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.