Home / 185,828.10-256,433.13-100,945.02

Finding the Fourth Proportional to 185,828.10, 256,433.13 and 100,945.02

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Solution

The fourth proportional to 185,828.10, 256,433.13 and 100,945.02 is: 139,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,828.10 : 256,433.13 = 100,945.02 : x
  2. Step 2: Convert to fraction form
    185,828.10/256,433.13 = 100,945.02/x
  3. Step 3: Cross multiply
    185,828.10x = 256,433.13 × 100,945.02
  4. Step 4: Simplify right side
    185,828.10x = 25,885,647,436.51
  5. Step 5: Solve for x
    x = 25,885,647,436.51/185,828.10
  6. Step 6: Final answer
    x = 139,298.89

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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.