Home / 157,163.82-216,886.10-85,544.36

Finding the Fourth Proportional to 157,163.82, 216,886.10 and 85,544.36

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Solution

The fourth proportional to 157,163.82, 216,886.10 and 85,544.36 is: 118,051.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,163.82 : 216,886.10 = 85,544.36 : x
  2. Step 2: Convert to fraction form
    157,163.82/216,886.10 = 85,544.36/x
  3. Step 3: Cross multiply
    157,163.82x = 216,886.10 × 85,544.36
  4. Step 4: Simplify right side
    157,163.82x = 18,553,382,617.40
  5. Step 5: Solve for x
    x = 18,553,382,617.40/157,163.82
  6. Step 6: Final answer
    x = 118,051.23

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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.