Home / 114,161.30-157,541.73-66,442.58

Finding the Fourth Proportional to 114,161.30, 157,541.73 and 66,442.58

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Solution

The fourth proportional to 114,161.30, 157,541.73 and 66,442.58 is: 91,690.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,161.30 : 157,541.73 = 66,442.58 : x
  2. Step 2: Convert to fraction form
    114,161.30/157,541.73 = 66,442.58/x
  3. Step 3: Cross multiply
    114,161.30x = 157,541.73 × 66,442.58
  4. Step 4: Simplify right side
    114,161.30x = 10,467,478,998.86
  5. Step 5: Solve for x
    x = 10,467,478,998.86/114,161.30
  6. Step 6: Final answer
    x = 91,690.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.