Home / 156,923.44-216,554.50-85,303.46

Finding the Fourth Proportional to 156,923.44, 216,554.50 and 85,303.46

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Solution

The fourth proportional to 156,923.44, 216,554.50 and 85,303.46 is: 117,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,923.44 : 216,554.50 = 85,303.46 : x
  2. Step 2: Convert to fraction form
    156,923.44/216,554.50 = 85,303.46/x
  3. Step 3: Cross multiply
    156,923.44x = 216,554.50 × 85,303.46
  4. Step 4: Simplify right side
    156,923.44x = 18,472,848,128.57
  5. Step 5: Solve for x
    x = 18,472,848,128.57/156,923.44
  6. Step 6: Final answer
    x = 117,718.86

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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.