Home / 114,080.40-157,422.96-66,330.36

Finding the Fourth Proportional to 114,080.40, 157,422.96 and 66,330.36

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Solution

The fourth proportional to 114,080.40, 157,422.96 and 66,330.36 is: 91,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,080.40 : 157,422.96 = 66,330.36 : x
  2. Step 2: Convert to fraction form
    114,080.40/157,422.96 = 66,330.36/x
  3. Step 3: Cross multiply
    114,080.40x = 157,422.96 × 66,330.36
  4. Step 4: Simplify right side
    114,080.40x = 10,441,921,609.07
  5. Step 5: Solve for x
    x = 10,441,921,609.07/114,080.40
  6. Step 6: Final answer
    x = 91,531.25

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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.