Home / 186,832.78-257,826.81-101,948.38

Finding the Fourth Proportional to 186,832.78, 257,826.81 and 101,948.38

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Solution

The fourth proportional to 186,832.78, 257,826.81 and 101,948.38 is: 140,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,832.78 : 257,826.81 = 101,948.38 : x
  2. Step 2: Convert to fraction form
    186,832.78/257,826.81 = 101,948.38/x
  3. Step 3: Cross multiply
    186,832.78x = 257,826.81 × 101,948.38
  4. Step 4: Simplify right side
    186,832.78x = 26,285,025,337.81
  5. Step 5: Solve for x
    x = 26,285,025,337.81/186,832.78
  6. Step 6: Final answer
    x = 140,687.44

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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.