Home / 156,222.55-215,587.32-84,602.69

Finding the Fourth Proportional to 156,222.55, 215,587.32 and 84,602.69

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Solution

The fourth proportional to 156,222.55, 215,587.32 and 84,602.69 is: 116,751.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,222.55 : 215,587.32 = 84,602.69 : x
  2. Step 2: Convert to fraction form
    156,222.55/215,587.32 = 84,602.69/x
  3. Step 3: Cross multiply
    156,222.55x = 215,587.32 × 84,602.69
  4. Step 4: Simplify right side
    156,222.55x = 18,239,267,201.89
  5. Step 5: Solve for x
    x = 18,239,267,201.89/156,222.55
  6. Step 6: Final answer
    x = 116,751.82

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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.