Home / 137,592.29-189,796.77-86,524.22

Finding the Fourth Proportional to 137,592.29, 189,796.77 and 86,524.22

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Solution

The fourth proportional to 137,592.29, 189,796.77 and 86,524.22 is: 119,352.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,592.29 : 189,796.77 = 86,524.22 : x
  2. Step 2: Convert to fraction form
    137,592.29/189,796.77 = 86,524.22/x
  3. Step 3: Cross multiply
    137,592.29x = 189,796.77 × 86,524.22
  4. Step 4: Simplify right side
    137,592.29x = 16,422,017,482.77
  5. Step 5: Solve for x
    x = 16,422,017,482.77/137,592.29
  6. Step 6: Final answer
    x = 119,352.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.