Home / 185,341.24-255,771.84-100,457.56

Finding the Fourth Proportional to 185,341.24, 255,771.84 and 100,457.56

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Solution

The fourth proportional to 185,341.24, 255,771.84 and 100,457.56 is: 138,631.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,341.24 : 255,771.84 = 100,457.56 : x
  2. Step 2: Convert to fraction form
    185,341.24/255,771.84 = 100,457.56/x
  3. Step 3: Cross multiply
    185,341.24x = 255,771.84 × 100,457.56
  4. Step 4: Simplify right side
    185,341.24x = 25,694,214,963.11
  5. Step 5: Solve for x
    x = 25,694,214,963.11/185,341.24
  6. Step 6: Final answer
    x = 138,631.94

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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.