Home / 156,954.40-216,596.60-85,333.92

Finding the Fourth Proportional to 156,954.40, 216,596.60 and 85,333.92

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Solution

The fourth proportional to 156,954.40, 216,596.60 and 85,333.92 is: 117,760.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,954.40 : 216,596.60 = 85,333.92 : x
  2. Step 2: Convert to fraction form
    156,954.40/216,596.60 = 85,333.92/x
  3. Step 3: Cross multiply
    156,954.40x = 216,596.60 × 85,333.92
  4. Step 4: Simplify right side
    156,954.40x = 18,483,036,936.67
  5. Step 5: Solve for x
    x = 18,483,036,936.67/156,954.40
  6. Step 6: Final answer
    x = 117,760.55

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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.