Home / 116,655.06-160,987.62-66,357.30

Finding the Fourth Proportional to 116,655.06, 160,987.62 and 66,357.30

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Solution

The fourth proportional to 116,655.06, 160,987.62 and 66,357.30 is: 91,575.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,655.06 : 160,987.62 = 66,357.30 : x
  2. Step 2: Convert to fraction form
    116,655.06/160,987.62 = 66,357.30/x
  3. Step 3: Cross multiply
    116,655.06x = 160,987.62 × 66,357.30
  4. Step 4: Simplify right side
    116,655.06x = 10,682,703,796.63
  5. Step 5: Solve for x
    x = 10,682,703,796.63/116,655.06
  6. Step 6: Final answer
    x = 91,575.14

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1.5x scale

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.