Home / 124,421.70-186,632.55-109,647.30

Finding the Fourth Proportional to 124,421.70, 186,632.55 and 109,647.30

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Solution

The fourth proportional to 124,421.70, 186,632.55 and 109,647.30 is: 164,470.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,421.70 : 186,632.55 = 109,647.30 : x
  2. Step 2: Convert to fraction form
    124,421.70/186,632.55 = 109,647.30/x
  3. Step 3: Cross multiply
    124,421.70x = 186,632.55 × 109,647.30
  4. Step 4: Simplify right side
    124,421.70x = 20,463,755,199.62
  5. Step 5: Solve for x
    x = 20,463,755,199.62/124,421.70
  6. Step 6: Final answer
    x = 164,470.95

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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.