Home / 114,817.88-158,448.75-66,426.59

Finding the Fourth Proportional to 114,817.88, 158,448.75 and 66,426.59

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Solution

The fourth proportional to 114,817.88, 158,448.75 and 66,426.59 is: 91,668.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,817.88 : 158,448.75 = 66,426.59 : x
  2. Step 2: Convert to fraction form
    114,817.88/158,448.75 = 66,426.59/x
  3. Step 3: Cross multiply
    114,817.88x = 158,448.75 × 66,426.59
  4. Step 4: Simplify right side
    114,817.88x = 10,525,210,152.26
  5. Step 5: Solve for x
    x = 10,525,210,152.26/114,817.88
  6. Step 6: Final answer
    x = 91,668.74

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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.