Home / 118,929.93-164,209.41-76,562.27

Finding the Fourth Proportional to 118,929.93, 164,209.41 and 76,562.27

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Solution

The fourth proportional to 118,929.93, 164,209.41 and 76,562.27 is: 105,711.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,929.93 : 164,209.41 = 76,562.27 : x
  2. Step 2: Convert to fraction form
    118,929.93/164,209.41 = 76,562.27/x
  3. Step 3: Cross multiply
    118,929.93x = 164,209.41 × 76,562.27
  4. Step 4: Simplify right side
    118,929.93x = 12,572,244,802.15
  5. Step 5: Solve for x
    x = 12,572,244,802.15/118,929.93
  6. Step 6: Final answer
    x = 105,711.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.