Home / 186,826.09-257,826.23-101,947.81

Finding the Fourth Proportional to 186,826.09, 257,826.23 and 101,947.81

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Solution

The fourth proportional to 186,826.09, 257,826.23 and 101,947.81 is: 140,691.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,826.09 : 257,826.23 = 101,947.81 : x
  2. Step 2: Convert to fraction form
    186,826.09/257,826.23 = 101,947.81/x
  3. Step 3: Cross multiply
    186,826.09x = 257,826.23 × 101,947.81
  4. Step 4: Simplify right side
    186,826.09x = 26,284,819,509.06
  5. Step 5: Solve for x
    x = 26,284,819,509.06/186,826.09
  6. Step 6: Final answer
    x = 140,691.38

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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.