Home / 187,564.64-258,856.80-112,111.52

Finding the Fourth Proportional to 187,564.64, 258,856.80 and 112,111.52

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Solution

The fourth proportional to 187,564.64, 258,856.80 and 112,111.52 is: 154,724.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,564.64 : 258,856.80 = 112,111.52 : x
  2. Step 2: Convert to fraction form
    187,564.64/258,856.80 = 112,111.52/x
  3. Step 3: Cross multiply
    187,564.64x = 258,856.80 × 112,111.52
  4. Step 4: Simplify right side
    187,564.64x = 29,020,829,310.34
  5. Step 5: Solve for x
    x = 29,020,829,310.34/187,564.64
  6. Step 6: Final answer
    x = 154,724.42

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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.