Home / 124,260.40-171,471.19-73,270.66

Finding the Fourth Proportional to 124,260.40, 171,471.19 and 73,270.66

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Solution

The fourth proportional to 124,260.40, 171,471.19 and 73,270.66 is: 101,108.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,260.40 : 171,471.19 = 73,270.66 : x
  2. Step 2: Convert to fraction form
    124,260.40/171,471.19 = 73,270.66/x
  3. Step 3: Cross multiply
    124,260.40x = 171,471.19 × 73,270.66
  4. Step 4: Simplify right side
    124,260.40x = 12,563,807,109.32
  5. Step 5: Solve for x
    x = 12,563,807,109.32/124,260.40
  6. Step 6: Final answer
    x = 101,108.70

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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.