Home / 179,535.15-247,840.16-127,885.50

Finding the Fourth Proportional to 179,535.15, 247,840.16 and 127,885.50

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Solution

The fourth proportional to 179,535.15, 247,840.16 and 127,885.50 is: 176,540.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,535.15 : 247,840.16 = 127,885.50 : x
  2. Step 2: Convert to fraction form
    179,535.15/247,840.16 = 127,885.50/x
  3. Step 3: Cross multiply
    179,535.15x = 247,840.16 × 127,885.50
  4. Step 4: Simplify right side
    179,535.15x = 31,695,162,142.25
  5. Step 5: Solve for x
    x = 31,695,162,142.25/179,535.15
  6. Step 6: Final answer
    x = 176,540.15

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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.