Home / 116,109.12-174,207.04-66,158.40

Finding the Fourth Proportional to 116,109.12, 174,207.04 and 66,158.40

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Solution

The fourth proportional to 116,109.12, 174,207.04 and 66,158.40 is: 99,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,109.12 : 174,207.04 = 66,158.40 : x
  2. Step 2: Convert to fraction form
    116,109.12/174,207.04 = 66,158.40/x
  3. Step 3: Cross multiply
    116,109.12x = 174,207.04 × 66,158.40
  4. Step 4: Simplify right side
    116,109.12x = 11,525,259,035.14
  5. Step 5: Solve for x
    x = 11,525,259,035.14/116,109.12
  6. Step 6: Final answer
    x = 99,262.31

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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.