Home / 409,743.19-614,592.81-125,433.85

Finding the Fourth Proportional to 409,743.19, 614,592.81 and 125,433.85

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Solution

The fourth proportional to 409,743.19, 614,592.81 and 125,433.85 is: 188,144.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,743.19 : 614,592.81 = 125,433.85 : x
  2. Step 2: Convert to fraction form
    409,743.19/614,592.81 = 125,433.85/x
  3. Step 3: Cross multiply
    409,743.19x = 614,592.81 × 125,433.85
  4. Step 4: Simplify right side
    409,743.19x = 77,090,742,340.62
  5. Step 5: Solve for x
    x = 77,090,742,340.62/409,743.19
  6. Step 6: Final answer
    x = 188,144.05

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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.