Home / 118,864.42-178,296.35-30,117.67

Finding the Fourth Proportional to 118,864.42, 178,296.35 and 30,117.67

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Solution

The fourth proportional to 118,864.42, 178,296.35 and 30,117.67 is: 45,176.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,864.42 : 178,296.35 = 30,117.67 : x
  2. Step 2: Convert to fraction form
    118,864.42/178,296.35 = 30,117.67/x
  3. Step 3: Cross multiply
    118,864.42x = 178,296.35 × 30,117.67
  4. Step 4: Simplify right side
    118,864.42x = 5,369,870,035.18
  5. Step 5: Solve for x
    x = 5,369,870,035.18/118,864.42
  6. Step 6: Final answer
    x = 45,176.43

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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.