Home / 186,631.74-257,555.82-101,749.38

Finding the Fourth Proportional to 186,631.74, 257,555.82 and 101,749.38

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Solution

The fourth proportional to 186,631.74, 257,555.82 and 101,749.38 is: 140,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,631.74 : 257,555.82 = 101,749.38 : x
  2. Step 2: Convert to fraction form
    186,631.74/257,555.82 = 101,749.38/x
  3. Step 3: Cross multiply
    186,631.74x = 257,555.82 × 101,749.38
  4. Step 4: Simplify right side
    186,631.74x = 26,206,145,000.39
  5. Step 5: Solve for x
    x = 26,206,145,000.39/186,631.74
  6. Step 6: Final answer
    x = 140,416.34

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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.