Home / 156,864.46-216,504.36-93,189.94

Finding the Fourth Proportional to 156,864.46, 216,504.36 and 93,189.94

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Solution

The fourth proportional to 156,864.46, 216,504.36 and 93,189.94 is: 128,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,864.46 : 216,504.36 = 93,189.94 : x
  2. Step 2: Convert to fraction form
    156,864.46/216,504.36 = 93,189.94/x
  3. Step 3: Cross multiply
    156,864.46x = 216,504.36 × 93,189.94
  4. Step 4: Simplify right side
    156,864.46x = 20,176,028,318.14
  5. Step 5: Solve for x
    x = 20,176,028,318.14/156,864.46
  6. Step 6: Final answer
    x = 128,620.77

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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.