Home / 114,826.72-158,607.84-87,805.12

Finding the Fourth Proportional to 114,826.72, 158,607.84 and 87,805.12

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Solution

The fourth proportional to 114,826.72, 158,607.84 and 87,805.12 is: 121,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,826.72 : 158,607.84 = 87,805.12 : x
  2. Step 2: Convert to fraction form
    114,826.72/158,607.84 = 87,805.12/x
  3. Step 3: Cross multiply
    114,826.72x = 158,607.84 × 87,805.12
  4. Step 4: Simplify right side
    114,826.72x = 13,926,580,424.14
  5. Step 5: Solve for x
    x = 13,926,580,424.14/114,826.72
  6. Step 6: Final answer
    x = 121,283.45

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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.