Home / 124,150.20-186,614.10-121,817.40

Finding the Fourth Proportional to 124,150.20, 186,614.10 and 121,817.40

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Solution

The fourth proportional to 124,150.20, 186,614.10 and 121,817.40 is: 183,107.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,150.20 : 186,614.10 = 121,817.40 : x
  2. Step 2: Convert to fraction form
    124,150.20/186,614.10 = 121,817.40/x
  3. Step 3: Cross multiply
    124,150.20x = 186,614.10 × 121,817.40
  4. Step 4: Simplify right side
    124,150.20x = 22,732,844,465.34
  5. Step 5: Solve for x
    x = 22,732,844,465.34/124,150.20
  6. Step 6: Final answer
    x = 183,107.59

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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.