Home / 125,210.34-187,812.77-30,441.03

Finding the Fourth Proportional to 125,210.34, 187,812.77 and 30,441.03

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Solution

The fourth proportional to 125,210.34, 187,812.77 and 30,441.03 is: 45,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,210.34 : 187,812.77 = 30,441.03 : x
  2. Step 2: Convert to fraction form
    125,210.34/187,812.77 = 30,441.03/x
  3. Step 3: Cross multiply
    125,210.34x = 187,812.77 × 30,441.03
  4. Step 4: Simplify right side
    125,210.34x = 5,717,214,013.75
  5. Step 5: Solve for x
    x = 5,717,214,013.75/125,210.34
  6. Step 6: Final answer
    x = 45,660.88

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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.