Home / 125,328.04-187,945.28-50,422.88

Finding the Fourth Proportional to 125,328.04, 187,945.28 and 50,422.88

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Solution

The fourth proportional to 125,328.04, 187,945.28 and 50,422.88 is: 75,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,328.04 : 187,945.28 = 50,422.88 : x
  2. Step 2: Convert to fraction form
    125,328.04/187,945.28 = 50,422.88/x
  3. Step 3: Cross multiply
    125,328.04x = 187,945.28 × 50,422.88
  4. Step 4: Simplify right side
    125,328.04x = 9,476,742,300.01
  5. Step 5: Solve for x
    x = 9,476,742,300.01/125,328.04
  6. Step 6: Final answer
    x = 75,615.50

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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.