Home / 187,301.52-258,403.86-115,557.12

Finding the Fourth Proportional to 187,301.52, 258,403.86 and 115,557.12

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Solution

The fourth proportional to 187,301.52, 258,403.86 and 115,557.12 is: 159,424.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,301.52 : 258,403.86 = 115,557.12 : x
  2. Step 2: Convert to fraction form
    187,301.52/258,403.86 = 115,557.12/x
  3. Step 3: Cross multiply
    187,301.52x = 258,403.86 × 115,557.12
  4. Step 4: Simplify right side
    187,301.52x = 29,860,405,858.48
  5. Step 5: Solve for x
    x = 29,860,405,858.48/187,301.52
  6. Step 6: Final answer
    x = 159,424.26

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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.