Home / 156,921.76-216,535.84-93,247.26

Finding the Fourth Proportional to 156,921.76, 216,535.84 and 93,247.26

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Solution

The fourth proportional to 156,921.76, 216,535.84 and 93,247.26 is: 128,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,921.76 : 216,535.84 = 93,247.26 : x
  2. Step 2: Convert to fraction form
    156,921.76/216,535.84 = 93,247.26/x
  3. Step 3: Cross multiply
    156,921.76x = 216,535.84 × 93,247.26
  4. Step 4: Simplify right side
    156,921.76x = 20,191,373,771.80
  5. Step 5: Solve for x
    x = 20,191,373,771.80/156,921.76
  6. Step 6: Final answer
    x = 128,671.60

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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.