Home / 156,699.56-216,223.62-92,171.72

Finding the Fourth Proportional to 156,699.56, 216,223.62 and 92,171.72

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Solution

The fourth proportional to 156,699.56, 216,223.62 and 92,171.72 is: 127,184.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,699.56 : 216,223.62 = 92,171.72 : x
  2. Step 2: Convert to fraction form
    156,699.56/216,223.62 = 92,171.72/x
  3. Step 3: Cross multiply
    156,699.56x = 216,223.62 × 92,171.72
  4. Step 4: Simplify right side
    156,699.56x = 19,929,702,960.03
  5. Step 5: Solve for x
    x = 19,929,702,960.03/156,699.56
  6. Step 6: Final answer
    x = 127,184.17

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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.