Home / 179,745.71-248,056.58-99,178.45

Finding the Fourth Proportional to 179,745.71, 248,056.58 and 99,178.45

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Solution

The fourth proportional to 179,745.71, 248,056.58 and 99,178.45 is: 136,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,745.71 : 248,056.58 = 99,178.45 : x
  2. Step 2: Convert to fraction form
    179,745.71/248,056.58 = 99,178.45/x
  3. Step 3: Cross multiply
    179,745.71x = 248,056.58 × 99,178.45
  4. Step 4: Simplify right side
    179,745.71x = 24,601,866,000.67
  5. Step 5: Solve for x
    x = 24,601,866,000.67/179,745.71
  6. Step 6: Final answer
    x = 136,870.40

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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.