Home / 119,245.12-178,875.96-40,332.67

Finding the Fourth Proportional to 119,245.12, 178,875.96 and 40,332.67

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Solution

The fourth proportional to 119,245.12, 178,875.96 and 40,332.67 is: 60,501.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,245.12 : 178,875.96 = 40,332.67 : x
  2. Step 2: Convert to fraction form
    119,245.12/178,875.96 = 40,332.67/x
  3. Step 3: Cross multiply
    119,245.12x = 178,875.96 × 40,332.67
  4. Step 4: Simplify right side
    119,245.12x = 7,214,545,065.61
  5. Step 5: Solve for x
    x = 7,214,545,065.61/119,245.12
  6. Step 6: Final answer
    x = 60,501.81

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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.