Home / 156,848.75-216,450.86-85,228.77

Finding the Fourth Proportional to 156,848.75, 216,450.86 and 85,228.77

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Solution

The fourth proportional to 156,848.75, 216,450.86 and 85,228.77 is: 117,615.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,848.75 : 216,450.86 = 85,228.77 : x
  2. Step 2: Convert to fraction form
    156,848.75/216,450.86 = 85,228.77/x
  3. Step 3: Cross multiply
    156,848.75x = 216,450.86 × 85,228.77
  4. Step 4: Simplify right side
    156,848.75x = 18,447,840,137.10
  5. Step 5: Solve for x
    x = 18,447,840,137.10/156,848.75
  6. Step 6: Final answer
    x = 117,615.48

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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.