Home / 156,669.55-216,203.73-85,049.59

Finding the Fourth Proportional to 156,669.55, 216,203.73 and 85,049.59

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Solution

The fourth proportional to 156,669.55, 216,203.73 and 85,049.59 is: 117,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,669.55 : 216,203.73 = 85,049.59 : x
  2. Step 2: Convert to fraction form
    156,669.55/216,203.73 = 85,049.59/x
  3. Step 3: Cross multiply
    156,669.55x = 216,203.73 × 85,049.59
  4. Step 4: Simplify right side
    156,669.55x = 18,388,038,592.97
  5. Step 5: Solve for x
    x = 18,388,038,592.97/156,669.55
  6. Step 6: Final answer
    x = 117,368.30

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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.