Home / 187,483.60-258,687.36-111,026.72

Finding the Fourth Proportional to 187,483.60, 258,687.36 and 111,026.72

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Solution

The fourth proportional to 187,483.60, 258,687.36 and 111,026.72 is: 153,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,483.60 : 258,687.36 = 111,026.72 : x
  2. Step 2: Convert to fraction form
    187,483.60/258,687.36 = 111,026.72/x
  3. Step 3: Cross multiply
    187,483.60x = 258,687.36 × 111,026.72
  4. Step 4: Simplify right side
    187,483.60x = 28,721,209,086.26
  5. Step 5: Solve for x
    x = 28,721,209,086.26/187,483.60
  6. Step 6: Final answer
    x = 153,193.18

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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.