Home / 156,525.22-216,003.18-84,903.72

Finding the Fourth Proportional to 156,525.22, 216,003.18 and 84,903.72

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Solution

The fourth proportional to 156,525.22, 216,003.18 and 84,903.72 is: 117,166.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,525.22 : 216,003.18 = 84,903.72 : x
  2. Step 2: Convert to fraction form
    156,525.22/216,003.18 = 84,903.72/x
  3. Step 3: Cross multiply
    156,525.22x = 216,003.18 × 84,903.72
  4. Step 4: Simplify right side
    156,525.22x = 18,339,473,513.83
  5. Step 5: Solve for x
    x = 18,339,473,513.83/156,525.22
  6. Step 6: Final answer
    x = 117,166.25

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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.