Home / 325,117.34-487,692.33-103,518.62

Finding the Fourth Proportional to 325,117.34, 487,692.33 and 103,518.62

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Solution

The fourth proportional to 325,117.34, 487,692.33 and 103,518.62 is: 155,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,117.34 : 487,692.33 = 103,518.62 : x
  2. Step 2: Convert to fraction form
    325,117.34/487,692.33 = 103,518.62/x
  3. Step 3: Cross multiply
    325,117.34x = 487,692.33 × 103,518.62
  4. Step 4: Simplify right side
    325,117.34x = 50,485,236,986.18
  5. Step 5: Solve for x
    x = 50,485,236,986.18/325,117.34
  6. Step 6: Final answer
    x = 155,283.13

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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.