Home / 186,004.42-256,675.20-101,120.74

Finding the Fourth Proportional to 186,004.42, 256,675.20 and 101,120.74

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Solution

The fourth proportional to 186,004.42, 256,675.20 and 101,120.74 is: 139,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,004.42 : 256,675.20 = 101,120.74 : x
  2. Step 2: Convert to fraction form
    186,004.42/256,675.20 = 101,120.74/x
  3. Step 3: Cross multiply
    186,004.42x = 256,675.20 × 101,120.74
  4. Step 4: Simplify right side
    186,004.42x = 25,955,186,163.65
  5. Step 5: Solve for x
    x = 25,955,186,163.65/186,004.42
  6. Step 6: Final answer
    x = 139,540.70

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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.