Home / 157,438.90-236,090.85-73,190.26

Finding the Fourth Proportional to 157,438.90, 236,090.85 and 73,190.26

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Solution

The fourth proportional to 157,438.90, 236,090.85 and 73,190.26 is: 109,754.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,438.90 : 236,090.85 = 73,190.26 : x
  2. Step 2: Convert to fraction form
    157,438.90/236,090.85 = 73,190.26/x
  3. Step 3: Cross multiply
    157,438.90x = 236,090.85 × 73,190.26
  4. Step 4: Simplify right side
    157,438.90x = 17,279,550,695.12
  5. Step 5: Solve for x
    x = 17,279,550,695.12/157,438.90
  6. Step 6: Final answer
    x = 109,754.01

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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.