Home / 117,157.25-161,680.01-71,860.26

Finding the Fourth Proportional to 117,157.25, 161,680.01 and 71,860.26

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Solution

The fourth proportional to 117,157.25, 161,680.01 and 71,860.26 is: 99,169.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,157.25 : 161,680.01 = 71,860.26 : x
  2. Step 2: Convert to fraction form
    117,157.25/161,680.01 = 71,860.26/x
  3. Step 3: Cross multiply
    117,157.25x = 161,680.01 × 71,860.26
  4. Step 4: Simplify right side
    117,157.25x = 11,618,368,307.67
  5. Step 5: Solve for x
    x = 11,618,368,307.67/117,157.25
  6. Step 6: Final answer
    x = 99,169.01

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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.