Home / 186,418.09-257,259.78-101,535.07

Finding the Fourth Proportional to 186,418.09, 257,259.78 and 101,535.07

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Solution

The fourth proportional to 186,418.09, 257,259.78 and 101,535.07 is: 140,119.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,418.09 : 257,259.78 = 101,535.07 : x
  2. Step 2: Convert to fraction form
    186,418.09/257,259.78 = 101,535.07/x
  3. Step 3: Cross multiply
    186,418.09x = 257,259.78 × 101,535.07
  4. Step 4: Simplify right side
    186,418.09x = 26,120,889,770.48
  5. Step 5: Solve for x
    x = 26,120,889,770.48/186,418.09
  6. Step 6: Final answer
    x = 140,119.93

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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.