Home / 102,688.31-154,068.00-73,335.12

Finding the Fourth Proportional to 102,688.31, 154,068.00 and 73,335.12

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Solution

The fourth proportional to 102,688.31, 154,068.00 and 73,335.12 is: 110,028.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,688.31 : 154,068.00 = 73,335.12 : x
  2. Step 2: Convert to fraction form
    102,688.31/154,068.00 = 73,335.12/x
  3. Step 3: Cross multiply
    102,688.31x = 154,068.00 × 73,335.12
  4. Step 4: Simplify right side
    102,688.31x = 11,298,594,901.48
  5. Step 5: Solve for x
    x = 11,298,594,901.48/102,688.31
  6. Step 6: Final answer
    x = 110,028.06

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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.