Home / 157,730.16-236,629.26-45,409.62

Finding the Fourth Proportional to 157,730.16, 236,629.26 and 45,409.62

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Solution

The fourth proportional to 157,730.16, 236,629.26 and 45,409.62 is: 68,124.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,730.16 : 236,629.26 = 45,409.62 : x
  2. Step 2: Convert to fraction form
    157,730.16/236,629.26 = 45,409.62/x
  3. Step 3: Cross multiply
    157,730.16x = 236,629.26 × 45,409.62
  4. Step 4: Simplify right side
    157,730.16x = 10,745,244,777.48
  5. Step 5: Solve for x
    x = 10,745,244,777.48/157,730.16
  6. Step 6: Final answer
    x = 68,124.22

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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.