Home / 157,941.36-236,752.38-68,042.70

Finding the Fourth Proportional to 157,941.36, 236,752.38 and 68,042.70

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Solution

The fourth proportional to 157,941.36, 236,752.38 and 68,042.70 is: 101,995.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,941.36 : 236,752.38 = 68,042.70 : x
  2. Step 2: Convert to fraction form
    157,941.36/236,752.38 = 68,042.70/x
  3. Step 3: Cross multiply
    157,941.36x = 236,752.38 × 68,042.70
  4. Step 4: Simplify right side
    157,941.36x = 16,109,271,166.63
  5. Step 5: Solve for x
    x = 16,109,271,166.63/157,941.36
  6. Step 6: Final answer
    x = 101,995.27

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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.