Home / 156,816.23-216,405.23-85,196.84

Finding the Fourth Proportional to 156,816.23, 216,405.23 and 85,196.84

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Solution

The fourth proportional to 156,816.23, 216,405.23 and 85,196.84 is: 117,571.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,816.23 : 216,405.23 = 85,196.84 : x
  2. Step 2: Convert to fraction form
    156,816.23/216,405.23 = 85,196.84/x
  3. Step 3: Cross multiply
    156,816.23x = 216,405.23 × 85,196.84
  4. Step 4: Simplify right side
    156,816.23x = 18,437,040,247.46
  5. Step 5: Solve for x
    x = 18,437,040,247.46/156,816.23
  6. Step 6: Final answer
    x = 117,571.00

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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.