Home / 157,146.94-216,858.66-85,525.48

Finding the Fourth Proportional to 157,146.94, 216,858.66 and 85,525.48

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Solution

The fourth proportional to 157,146.94, 216,858.66 and 85,525.48 is: 118,022.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,146.94 : 216,858.66 = 85,525.48 : x
  2. Step 2: Convert to fraction form
    157,146.94/216,858.66 = 85,525.48/x
  3. Step 3: Cross multiply
    157,146.94x = 216,858.66 × 85,525.48
  4. Step 4: Simplify right side
    157,146.94x = 18,546,940,988.66
  5. Step 5: Solve for x
    x = 18,546,940,988.66/157,146.94
  6. Step 6: Final answer
    x = 118,022.92

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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.