Home / 156,026.58-215,121.45-130,222.02

Finding the Fourth Proportional to 156,026.58, 215,121.45 and 130,222.02

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Solution

The fourth proportional to 156,026.58, 215,121.45 and 130,222.02 is: 179,543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,026.58 : 215,121.45 = 130,222.02 : x
  2. Step 2: Convert to fraction form
    156,026.58/215,121.45 = 130,222.02/x
  3. Step 3: Cross multiply
    156,026.58x = 215,121.45 × 130,222.02
  4. Step 4: Simplify right side
    156,026.58x = 28,013,549,764.33
  5. Step 5: Solve for x
    x = 28,013,549,764.33/156,026.58
  6. Step 6: Final answer
    x = 179,543.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.