Home / 119,118.60-178,646.31-40,216.50

Finding the Fourth Proportional to 119,118.60, 178,646.31 and 40,216.50

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Solution

The fourth proportional to 119,118.60, 178,646.31 and 40,216.50 is: 60,314.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,118.60 : 178,646.31 = 40,216.50 : x
  2. Step 2: Convert to fraction form
    119,118.60/178,646.31 = 40,216.50/x
  3. Step 3: Cross multiply
    119,118.60x = 178,646.31 × 40,216.50
  4. Step 4: Simplify right side
    119,118.60x = 7,184,529,326.12
  5. Step 5: Solve for x
    x = 7,184,529,326.12/119,118.60
  6. Step 6: Final answer
    x = 60,314.08

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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.