Home / 187,223.10-258,412.77-106,670.40

Finding the Fourth Proportional to 187,223.10, 258,412.77 and 106,670.40

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Solution

The fourth proportional to 187,223.10, 258,412.77 and 106,670.40 is: 147,230.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,223.10 : 258,412.77 = 106,670.40 : x
  2. Step 2: Convert to fraction form
    187,223.10/258,412.77 = 106,670.40/x
  3. Step 3: Cross multiply
    187,223.10x = 258,412.77 × 106,670.40
  4. Step 4: Simplify right side
    187,223.10x = 27,564,993,541.01
  5. Step 5: Solve for x
    x = 27,564,993,541.01/187,223.10
  6. Step 6: Final answer
    x = 147,230.73

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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.