Home / 156,240.54-234,290.75-93,090.40

Finding the Fourth Proportional to 156,240.54, 234,290.75 and 93,090.40

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Solution

The fourth proportional to 156,240.54, 234,290.75 and 93,090.40 is: 139,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,240.54 : 234,290.75 = 93,090.40 : x
  2. Step 2: Convert to fraction form
    156,240.54/234,290.75 = 93,090.40/x
  3. Step 3: Cross multiply
    156,240.54x = 234,290.75 × 93,090.40
  4. Step 4: Simplify right side
    156,240.54x = 21,810,219,952.72
  5. Step 5: Solve for x
    x = 21,810,219,952.72/156,240.54
  6. Step 6: Final answer
    x = 139,593.86

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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.