Home / 156,716.70-235,113.93-73,513.50

Finding the Fourth Proportional to 156,716.70, 235,113.93 and 73,513.50

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Solution

The fourth proportional to 156,716.70, 235,113.93 and 73,513.50 is: 110,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,716.70 : 235,113.93 = 73,513.50 : x
  2. Step 2: Convert to fraction form
    156,716.70/235,113.93 = 73,513.50/x
  3. Step 3: Cross multiply
    156,716.70x = 235,113.93 × 73,513.50
  4. Step 4: Simplify right side
    156,716.70x = 17,284,047,893.06
  5. Step 5: Solve for x
    x = 17,284,047,893.06/156,716.70
  6. Step 6: Final answer
    x = 110,288.49

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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.