Home / 114,455.22-157,939.62-64,144.50

Finding the Fourth Proportional to 114,455.22, 157,939.62 and 64,144.50

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Solution

The fourth proportional to 114,455.22, 157,939.62 and 64,144.50 is: 88,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,455.22 : 157,939.62 = 64,144.50 : x
  2. Step 2: Convert to fraction form
    114,455.22/157,939.62 = 64,144.50/x
  3. Step 3: Cross multiply
    114,455.22x = 157,939.62 × 64,144.50
  4. Step 4: Simplify right side
    114,455.22x = 10,130,957,955.09
  5. Step 5: Solve for x
    x = 10,130,957,955.09/114,455.22
  6. Step 6: Final answer
    x = 88,514.60

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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.