Home / 137,820.39-206,741.93-58,935.30

Finding the Fourth Proportional to 137,820.39, 206,741.93 and 58,935.30

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Solution

The fourth proportional to 137,820.39, 206,741.93 and 58,935.30 is: 88,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,820.39 : 206,741.93 = 58,935.30 : x
  2. Step 2: Convert to fraction form
    137,820.39/206,741.93 = 58,935.30/x
  3. Step 3: Cross multiply
    137,820.39x = 206,741.93 × 58,935.30
  4. Step 4: Simplify right side
    137,820.39x = 12,184,397,372.45
  5. Step 5: Solve for x
    x = 12,184,397,372.45/137,820.39
  6. Step 6: Final answer
    x = 88,407.80

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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.