Home / 116,939.03-175,130.03-74,688.21

Finding the Fourth Proportional to 116,939.03, 175,130.03 and 74,688.21

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Solution

The fourth proportional to 116,939.03, 175,130.03 and 74,688.21 is: 111,854.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,939.03 : 175,130.03 = 74,688.21 : x
  2. Step 2: Convert to fraction form
    116,939.03/175,130.03 = 74,688.21/x
  3. Step 3: Cross multiply
    116,939.03x = 175,130.03 × 74,688.21
  4. Step 4: Simplify right side
    116,939.03x = 13,080,148,644.67
  5. Step 5: Solve for x
    x = 13,080,148,644.67/116,939.03
  6. Step 6: Final answer
    x = 111,854.44

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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.