Home / 157,638.36-236,564.64-64,161.12

Finding the Fourth Proportional to 157,638.36, 236,564.64 and 64,161.12

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Solution

The fourth proportional to 157,638.36, 236,564.64 and 64,161.12 is: 96,285.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,638.36 : 236,564.64 = 64,161.12 : x
  2. Step 2: Convert to fraction form
    157,638.36/236,564.64 = 64,161.12/x
  3. Step 3: Cross multiply
    157,638.36x = 236,564.64 × 64,161.12
  4. Step 4: Simplify right side
    157,638.36x = 15,178,252,254.80
  5. Step 5: Solve for x
    x = 15,178,252,254.80/157,638.36
  6. Step 6: Final answer
    x = 96,285.27

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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.