Home / 137,415.15-207,058.82-113,002.07

Finding the Fourth Proportional to 137,415.15, 207,058.82 and 113,002.07

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Solution

The fourth proportional to 137,415.15, 207,058.82 and 113,002.07 is: 170,272.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,415.15 : 207,058.82 = 113,002.07 : x
  2. Step 2: Convert to fraction form
    137,415.15/207,058.82 = 113,002.07/x
  3. Step 3: Cross multiply
    137,415.15x = 207,058.82 × 113,002.07
  4. Step 4: Simplify right side
    137,415.15x = 23,398,073,671.45
  5. Step 5: Solve for x
    x = 23,398,073,671.45/137,415.15
  6. Step 6: Final answer
    x = 170,272.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.