Home / 117,460.56-162,015.27-74,999.96

Finding the Fourth Proportional to 117,460.56, 162,015.27 and 74,999.96

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Solution

The fourth proportional to 117,460.56, 162,015.27 and 74,999.96 is: 103,448.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,460.56 : 162,015.27 = 74,999.96 : x
  2. Step 2: Convert to fraction form
    117,460.56/162,015.27 = 74,999.96/x
  3. Step 3: Cross multiply
    117,460.56x = 162,015.27 × 74,999.96
  4. Step 4: Simplify right side
    117,460.56x = 12,151,137,959.31
  5. Step 5: Solve for x
    x = 12,151,137,959.31/117,460.56
  6. Step 6: Final answer
    x = 103,448.66

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1.5x scale

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.