Home / 186,669.28-257,625.80-117,858.72

Finding the Fourth Proportional to 186,669.28, 257,625.80 and 117,858.72

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Solution

The fourth proportional to 186,669.28, 257,625.80 and 117,858.72 is: 162,659.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,669.28 : 257,625.80 = 117,858.72 : x
  2. Step 2: Convert to fraction form
    186,669.28/257,625.80 = 117,858.72/x
  3. Step 3: Cross multiply
    186,669.28x = 257,625.80 × 117,858.72
  4. Step 4: Simplify right side
    186,669.28x = 30,363,447,026.98
  5. Step 5: Solve for x
    x = 30,363,447,026.98/186,669.28
  6. Step 6: Final answer
    x = 162,659.05

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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.