Home / 157,938.08-236,893.80-67,977.16

Finding the Fourth Proportional to 157,938.08, 236,893.80 and 67,977.16

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Solution

The fourth proportional to 157,938.08, 236,893.80 and 67,977.16 is: 101,960.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,938.08 : 236,893.80 = 67,977.16 : x
  2. Step 2: Convert to fraction form
    157,938.08/236,893.80 = 67,977.16/x
  3. Step 3: Cross multiply
    157,938.08x = 236,893.80 × 67,977.16
  4. Step 4: Simplify right side
    157,938.08x = 16,103,367,745.61
  5. Step 5: Solve for x
    x = 16,103,367,745.61/157,938.08
  6. Step 6: Final answer
    x = 101,960.01

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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.