Home / 127,620.42-191,312.33-56,505.17

Finding the Fourth Proportional to 127,620.42, 191,312.33 and 56,505.17

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Solution

The fourth proportional to 127,620.42, 191,312.33 and 56,505.17 is: 84,705.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,620.42 : 191,312.33 = 56,505.17 : x
  2. Step 2: Convert to fraction form
    127,620.42/191,312.33 = 56,505.17/x
  3. Step 3: Cross multiply
    127,620.42x = 191,312.33 × 56,505.17
  4. Step 4: Simplify right side
    127,620.42x = 10,810,134,490.66
  5. Step 5: Solve for x
    x = 10,810,134,490.66/127,620.42
  6. Step 6: Final answer
    x = 84,705.37

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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.