Home / 186,826.47-257,826.74-101,948.19

Finding the Fourth Proportional to 186,826.47, 257,826.74 and 101,948.19

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Solution

The fourth proportional to 186,826.47, 257,826.74 and 101,948.19 is: 140,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,826.47 : 257,826.74 = 101,948.19 : x
  2. Step 2: Convert to fraction form
    186,826.47/257,826.74 = 101,948.19/x
  3. Step 3: Cross multiply
    186,826.47x = 257,826.74 × 101,948.19
  4. Step 4: Simplify right side
    186,826.47x = 26,284,969,476.60
  5. Step 5: Solve for x
    x = 26,284,969,476.60/186,826.47
  6. Step 6: Final answer
    x = 140,691.89

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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.