Home / 131,655.60-197,386.20-56,714.40

Finding the Fourth Proportional to 131,655.60, 197,386.20 and 56,714.40

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Solution

The fourth proportional to 131,655.60, 197,386.20 and 56,714.40 is: 85,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,655.60 : 197,386.20 = 56,714.40 : x
  2. Step 2: Convert to fraction form
    131,655.60/197,386.20 = 56,714.40/x
  3. Step 3: Cross multiply
    131,655.60x = 197,386.20 × 56,714.40
  4. Step 4: Simplify right side
    131,655.60x = 11,194,639,901.28
  5. Step 5: Solve for x
    x = 11,194,639,901.28/131,655.60
  6. Step 6: Final answer
    x = 85,029.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.