Home / 115,596.03-173,429.01-81,927.17

Finding the Fourth Proportional to 115,596.03, 173,429.01 and 81,927.17

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Solution

The fourth proportional to 115,596.03, 173,429.01 and 81,927.17 is: 122,915.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,596.03 : 173,429.01 = 81,927.17 : x
  2. Step 2: Convert to fraction form
    115,596.03/173,429.01 = 81,927.17/x
  3. Step 3: Cross multiply
    115,596.03x = 173,429.01 × 81,927.17
  4. Step 4: Simplify right side
    115,596.03x = 14,208,547,985.20
  5. Step 5: Solve for x
    x = 14,208,547,985.20/115,596.03
  6. Step 6: Final answer
    x = 122,915.54

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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.