Home / 124,124.72-171,327.28-73,166.96

Finding the Fourth Proportional to 124,124.72, 171,327.28 and 73,166.96

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Solution

The fourth proportional to 124,124.72, 171,327.28 and 73,166.96 is: 100,991.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,124.72 : 171,327.28 = 73,166.96 : x
  2. Step 2: Convert to fraction form
    124,124.72/171,327.28 = 73,166.96/x
  3. Step 3: Cross multiply
    124,124.72x = 171,327.28 × 73,166.96
  4. Step 4: Simplify right side
    124,124.72x = 12,535,496,242.67
  5. Step 5: Solve for x
    x = 12,535,496,242.67/124,124.72
  6. Step 6: Final answer
    x = 100,991.13

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Why These Related Problems?

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