Home / 115,181.24-158,943.98-64,877.08

Finding the Fourth Proportional to 115,181.24, 158,943.98 and 64,877.08

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Solution

The fourth proportional to 115,181.24, 158,943.98 and 64,877.08 is: 89,526.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,181.24 : 158,943.98 = 64,877.08 : x
  2. Step 2: Convert to fraction form
    115,181.24/158,943.98 = 64,877.08/x
  3. Step 3: Cross multiply
    115,181.24x = 158,943.98 × 64,877.08
  4. Step 4: Simplify right side
    115,181.24x = 10,311,821,305.98
  5. Step 5: Solve for x
    x = 10,311,821,305.98/115,181.24
  6. Step 6: Final answer
    x = 89,526.92

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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.