Home / 186,947.42-257,986.09-102,064.48

Finding the Fourth Proportional to 186,947.42, 257,986.09 and 102,064.48

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Solution

The fourth proportional to 186,947.42, 257,986.09 and 102,064.48 is: 140,848.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,947.42 : 257,986.09 = 102,064.48 : x
  2. Step 2: Convert to fraction form
    186,947.42/257,986.09 = 102,064.48/x
  3. Step 3: Cross multiply
    186,947.42x = 257,986.09 × 102,064.48
  4. Step 4: Simplify right side
    186,947.42x = 26,331,216,123.08
  5. Step 5: Solve for x
    x = 26,331,216,123.08/186,947.42
  6. Step 6: Final answer
    x = 140,848.25

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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.