Home / 156,683.70-235,064.43-73,480.50

Finding the Fourth Proportional to 156,683.70, 235,064.43 and 73,480.50

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Solution

The fourth proportional to 156,683.70, 235,064.43 and 73,480.50 is: 110,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,683.70 : 235,064.43 = 73,480.50 : x
  2. Step 2: Convert to fraction form
    156,683.70/235,064.43 = 73,480.50/x
  3. Step 3: Cross multiply
    156,683.70x = 235,064.43 × 73,480.50
  4. Step 4: Simplify right side
    156,683.70x = 17,272,651,848.62
  5. Step 5: Solve for x
    x = 17,272,651,848.62/156,683.70
  6. Step 6: Final answer
    x = 110,238.98

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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.