Home / 187,356.90-258,558.71-102,473.96

Finding the Fourth Proportional to 187,356.90, 258,558.71 and 102,473.96

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Solution

The fourth proportional to 187,356.90, 258,558.71 and 102,473.96 is: 141,417.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,356.90 : 258,558.71 = 102,473.96 : x
  2. Step 2: Convert to fraction form
    187,356.90/258,558.71 = 102,473.96/x
  3. Step 3: Cross multiply
    187,356.90x = 258,558.71 × 102,473.96
  4. Step 4: Simplify right side
    187,356.90x = 26,495,534,906.19
  5. Step 5: Solve for x
    x = 26,495,534,906.19/187,356.90
  6. Step 6: Final answer
    x = 141,417.45

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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.