Home / 156,888.33-216,507.24-85,268.36

Finding the Fourth Proportional to 156,888.33, 216,507.24 and 85,268.36

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Solution

The fourth proportional to 156,888.33, 216,507.24 and 85,268.36 is: 117,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,888.33 : 216,507.24 = 85,268.36 : x
  2. Step 2: Convert to fraction form
    156,888.33/216,507.24 = 85,268.36/x
  3. Step 3: Cross multiply
    156,888.33x = 216,507.24 × 85,268.36
  4. Step 4: Simplify right side
    156,888.33x = 18,461,216,200.39
  5. Step 5: Solve for x
    x = 18,461,216,200.39/156,888.33
  6. Step 6: Final answer
    x = 117,671.06

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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.