Home / 156,777.84-235,005.66-61,969.50

Finding the Fourth Proportional to 156,777.84, 235,005.66 and 61,969.50

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Solution

The fourth proportional to 156,777.84, 235,005.66 and 61,969.50 is: 92,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,777.84 : 235,005.66 = 61,969.50 : x
  2. Step 2: Convert to fraction form
    156,777.84/235,005.66 = 61,969.50/x
  3. Step 3: Cross multiply
    156,777.84x = 235,005.66 × 61,969.50
  4. Step 4: Simplify right side
    156,777.84x = 14,563,183,247.37
  5. Step 5: Solve for x
    x = 14,563,183,247.37/156,777.84
  6. Step 6: Final answer
    x = 92,890.57

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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.