Home / 119,010.45-178,516.29-40,125.36

Finding the Fourth Proportional to 119,010.45, 178,516.29 and 40,125.36

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Solution

The fourth proportional to 119,010.45, 178,516.29 and 40,125.36 is: 60,188.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,010.45 : 178,516.29 = 40,125.36 : x
  2. Step 2: Convert to fraction form
    119,010.45/178,516.29 = 40,125.36/x
  3. Step 3: Cross multiply
    119,010.45x = 178,516.29 × 40,125.36
  4. Step 4: Simplify right side
    119,010.45x = 7,163,030,402.11
  5. Step 5: Solve for x
    x = 7,163,030,402.11/119,010.45
  6. Step 6: Final answer
    x = 60,188.25

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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.