Home / 116,001.80-174,002.70-102,782.60

Finding the Fourth Proportional to 116,001.80, 174,002.70 and 102,782.60

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Solution

The fourth proportional to 116,001.80, 174,002.70 and 102,782.60 is: 154,173.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,001.80 : 174,002.70 = 102,782.60 : x
  2. Step 2: Convert to fraction form
    116,001.80/174,002.70 = 102,782.60/x
  3. Step 3: Cross multiply
    116,001.80x = 174,002.70 × 102,782.60
  4. Step 4: Simplify right side
    116,001.80x = 17,884,449,913.02
  5. Step 5: Solve for x
    x = 17,884,449,913.02/116,001.80
  6. Step 6: Final answer
    x = 154,173.90

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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.