Home / 118,765.48-177,256.23-102,683.88

Finding the Fourth Proportional to 118,765.48, 177,256.23 and 102,683.88

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Solution

The fourth proportional to 118,765.48, 177,256.23 and 102,683.88 is: 153,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,765.48 : 177,256.23 = 102,683.88 : x
  2. Step 2: Convert to fraction form
    118,765.48/177,256.23 = 102,683.88/x
  3. Step 3: Cross multiply
    118,765.48x = 177,256.23 × 102,683.88
  4. Step 4: Simplify right side
    118,765.48x = 18,201,357,450.57
  5. Step 5: Solve for x
    x = 18,201,357,450.57/118,765.48
  6. Step 6: Final answer
    x = 153,254.61

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.