Home / 186,236.10-257,011.20-101,358.54

Finding the Fourth Proportional to 186,236.10, 257,011.20 and 101,358.54

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Solution

The fourth proportional to 186,236.10, 257,011.20 and 101,358.54 is: 139,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,236.10 : 257,011.20 = 101,358.54 : x
  2. Step 2: Convert to fraction form
    186,236.10/257,011.20 = 101,358.54/x
  3. Step 3: Cross multiply
    186,236.10x = 257,011.20 × 101,358.54
  4. Step 4: Simplify right side
    186,236.10x = 26,050,279,995.65
  5. Step 5: Solve for x
    x = 26,050,279,995.65/186,236.10
  6. Step 6: Final answer
    x = 139,877.71

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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.