Home / 125,812.16-188,749.92-46,928.96

Finding the Fourth Proportional to 125,812.16, 188,749.92 and 46,928.96

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Solution

The fourth proportional to 125,812.16, 188,749.92 and 46,928.96 is: 70,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,812.16 : 188,749.92 = 46,928.96 : x
  2. Step 2: Convert to fraction form
    125,812.16/188,749.92 = 46,928.96/x
  3. Step 3: Cross multiply
    125,812.16x = 188,749.92 × 46,928.96
  4. Step 4: Simplify right side
    125,812.16x = 8,857,837,445.68
  5. Step 5: Solve for x
    x = 8,857,837,445.68/125,812.16
  6. Step 6: Final answer
    x = 70,405.26

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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.