Home / 115,595.03-173,427.51-81,926.17

Finding the Fourth Proportional to 115,595.03, 173,427.51 and 81,926.17

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Solution

The fourth proportional to 115,595.03, 173,427.51 and 81,926.17 is: 122,914.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,595.03 : 173,427.51 = 81,926.17 : x
  2. Step 2: Convert to fraction form
    115,595.03/173,427.51 = 81,926.17/x
  3. Step 3: Cross multiply
    115,595.03x = 173,427.51 × 81,926.17
  4. Step 4: Simplify right side
    115,595.03x = 14,208,251,666.94
  5. Step 5: Solve for x
    x = 14,208,251,666.94/115,595.03
  6. Step 6: Final answer
    x = 122,914.04

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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.