Home / 174,640.91-261,742.16-74,683.52

Finding the Fourth Proportional to 174,640.91, 261,742.16 and 74,683.52

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Solution

The fourth proportional to 174,640.91, 261,742.16 and 74,683.52 is: 111,931.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,640.91 : 261,742.16 = 74,683.52 : x
  2. Step 2: Convert to fraction form
    174,640.91/261,742.16 = 74,683.52/x
  3. Step 3: Cross multiply
    174,640.91x = 261,742.16 × 74,683.52
  4. Step 4: Simplify right side
    174,640.91x = 19,547,825,467.79
  5. Step 5: Solve for x
    x = 19,547,825,467.79/174,640.91
  6. Step 6: Final answer
    x = 111,931.54

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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.