Home / 187,265.67-258,427.71-102,382.74

Finding the Fourth Proportional to 187,265.67, 258,427.71 and 102,382.74

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Solution

The fourth proportional to 187,265.67, 258,427.71 and 102,382.74 is: 141,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,265.67 : 258,427.71 = 102,382.74 : x
  2. Step 2: Convert to fraction form
    187,265.67/258,427.71 = 102,382.74/x
  3. Step 3: Cross multiply
    187,265.67x = 258,427.71 × 102,382.74
  4. Step 4: Simplify right side
    187,265.67x = 26,458,537,041.73
  5. Step 5: Solve for x
    x = 26,458,537,041.73/187,265.67
  6. Step 6: Final answer
    x = 141,288.77

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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.