Home / 127,818.63-191,660.79-56,710.46

Finding the Fourth Proportional to 127,818.63, 191,660.79 and 56,710.46

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Solution

The fourth proportional to 127,818.63, 191,660.79 and 56,710.46 is: 85,035.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,818.63 : 191,660.79 = 56,710.46 : x
  2. Step 2: Convert to fraction form
    127,818.63/191,660.79 = 56,710.46/x
  3. Step 3: Cross multiply
    127,818.63x = 191,660.79 × 56,710.46
  4. Step 4: Simplify right side
    127,818.63x = 10,869,172,256.68
  5. Step 5: Solve for x
    x = 10,869,172,256.68/127,818.63
  6. Step 6: Final answer
    x = 85,035.90

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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.