Home / 116,145.96-174,218.40-76,693.65

Finding the Fourth Proportional to 116,145.96, 174,218.40 and 76,693.65

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Solution

The fourth proportional to 116,145.96, 174,218.40 and 76,693.65 is: 115,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,145.96 : 174,218.40 = 76,693.65 : x
  2. Step 2: Convert to fraction form
    116,145.96/174,218.40 = 76,693.65/x
  3. Step 3: Cross multiply
    116,145.96x = 174,218.40 × 76,693.65
  4. Step 4: Simplify right side
    116,145.96x = 13,361,444,993.16
  5. Step 5: Solve for x
    x = 13,361,444,993.16/116,145.96
  6. Step 6: Final answer
    x = 115,040.12

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1.5x scale

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.