Home / 156,940.50-235,514.43-73,840.98

Finding the Fourth Proportional to 156,940.50, 235,514.43 and 73,840.98

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Solution

The fourth proportional to 156,940.50, 235,514.43 and 73,840.98 is: 110,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,940.50 : 235,514.43 = 73,840.98 : x
  2. Step 2: Convert to fraction form
    156,940.50/235,514.43 = 73,840.98/x
  3. Step 3: Cross multiply
    156,940.50x = 235,514.43 × 73,840.98
  4. Step 4: Simplify right side
    156,940.50x = 17,390,616,315.34
  5. Step 5: Solve for x
    x = 17,390,616,315.34/156,940.50
  6. Step 6: Final answer
    x = 110,810.25

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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.