Home / 119,133.06-178,427.43-56,847.30

Finding the Fourth Proportional to 119,133.06, 178,427.43 and 56,847.30

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Solution

The fourth proportional to 119,133.06, 178,427.43 and 56,847.30 is: 85,141.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,133.06 : 178,427.43 = 56,847.30 : x
  2. Step 2: Convert to fraction form
    119,133.06/178,427.43 = 56,847.30/x
  3. Step 3: Cross multiply
    119,133.06x = 178,427.43 × 56,847.30
  4. Step 4: Simplify right side
    119,133.06x = 10,143,117,641.44
  5. Step 5: Solve for x
    x = 10,143,117,641.44/119,133.06
  6. Step 6: Final answer
    x = 85,141.08

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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.