Home / 186,725.50-257,896.15-135,965.18

Finding the Fourth Proportional to 186,725.50, 257,896.15 and 135,965.18

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Solution

The fourth proportional to 186,725.50, 257,896.15 and 135,965.18 is: 187,788.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,725.50 : 257,896.15 = 135,965.18 : x
  2. Step 2: Convert to fraction form
    186,725.50/257,896.15 = 135,965.18/x
  3. Step 3: Cross multiply
    186,725.50x = 257,896.15 × 135,965.18
  4. Step 4: Simplify right side
    186,725.50x = 35,064,896,456.06
  5. Step 5: Solve for x
    x = 35,064,896,456.06/186,725.50
  6. Step 6: Final answer
    x = 187,788.47

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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.