Home / 187,077.06-258,156.54-106,504.29

Finding the Fourth Proportional to 187,077.06, 258,156.54 and 106,504.29

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Solution

The fourth proportional to 187,077.06, 258,156.54 and 106,504.29 is: 146,970.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,077.06 : 258,156.54 = 106,504.29 : x
  2. Step 2: Convert to fraction form
    187,077.06/258,156.54 = 106,504.29/x
  3. Step 3: Cross multiply
    187,077.06x = 258,156.54 × 106,504.29
  4. Step 4: Simplify right side
    187,077.06x = 27,494,779,001.56
  5. Step 5: Solve for x
    x = 27,494,779,001.56/187,077.06
  6. Step 6: Final answer
    x = 146,970.34

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1.5x scale

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.