Home / 122,575.02-169,085.25-113,905.40

Finding the Fourth Proportional to 122,575.02, 169,085.25 and 113,905.40

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Solution

The fourth proportional to 122,575.02, 169,085.25 and 113,905.40 is: 157,126.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,575.02 : 169,085.25 = 113,905.40 : x
  2. Step 2: Convert to fraction form
    122,575.02/169,085.25 = 113,905.40/x
  3. Step 3: Cross multiply
    122,575.02x = 169,085.25 × 113,905.40
  4. Step 4: Simplify right side
    122,575.02x = 19,259,722,189.92
  5. Step 5: Solve for x
    x = 19,259,722,189.92/122,575.02
  6. Step 6: Final answer
    x = 157,126.00

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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.