Home / 156,912.45-235,368.68-51,706.05

Finding the Fourth Proportional to 156,912.45, 235,368.68 and 51,706.05

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Solution

The fourth proportional to 156,912.45, 235,368.68 and 51,706.05 is: 77,559.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,912.45 : 235,368.68 = 51,706.05 : x
  2. Step 2: Convert to fraction form
    156,912.45/235,368.68 = 51,706.05/x
  3. Step 3: Cross multiply
    156,912.45x = 235,368.68 × 51,706.05
  4. Step 4: Simplify right side
    156,912.45x = 12,169,984,736.51
  5. Step 5: Solve for x
    x = 12,169,984,736.51/156,912.45
  6. Step 6: Final answer
    x = 77,559.08

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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.