Home / 156,908.67-235,288.89-56,999.22

Finding the Fourth Proportional to 156,908.67, 235,288.89 and 56,999.22

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Solution

The fourth proportional to 156,908.67, 235,288.89 and 56,999.22 is: 85,471.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,908.67 : 235,288.89 = 56,999.22 : x
  2. Step 2: Convert to fraction form
    156,908.67/235,288.89 = 56,999.22/x
  3. Step 3: Cross multiply
    156,908.67x = 235,288.89 × 56,999.22
  4. Step 4: Simplify right side
    156,908.67x = 13,411,283,204.67
  5. Step 5: Solve for x
    x = 13,411,283,204.67/156,908.67
  6. Step 6: Final answer
    x = 85,471.91

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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.