Home / 185,921.58-256,571.67-101,038.65

Finding the Fourth Proportional to 185,921.58, 256,571.67 and 101,038.65

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Solution

The fourth proportional to 185,921.58, 256,571.67 and 101,038.65 is: 139,433.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,921.58 : 256,571.67 = 101,038.65 : x
  2. Step 2: Convert to fraction form
    185,921.58/256,571.67 = 101,038.65/x
  3. Step 3: Cross multiply
    185,921.58x = 256,571.67 × 101,038.65
  4. Step 4: Simplify right side
    185,921.58x = 25,923,655,165.05
  5. Step 5: Solve for x
    x = 25,923,655,165.05/185,921.58
  6. Step 6: Final answer
    x = 139,433.28

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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.