Home / 124,553.68-186,688.93-109,531.50

Finding the Fourth Proportional to 124,553.68, 186,688.93 and 109,531.50

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Solution

The fourth proportional to 124,553.68, 186,688.93 and 109,531.50 is: 164,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,553.68 : 186,688.93 = 109,531.50 : x
  2. Step 2: Convert to fraction form
    124,553.68/186,688.93 = 109,531.50/x
  3. Step 3: Cross multiply
    124,553.68x = 186,688.93 × 109,531.50
  4. Step 4: Simplify right side
    124,553.68x = 20,448,318,536.30
  5. Step 5: Solve for x
    x = 20,448,318,536.30/124,553.68
  6. Step 6: Final answer
    x = 164,172.74

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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.