Home / 170,601.31-255,595.51-100,442.35

Finding the Fourth Proportional to 170,601.31, 255,595.51 and 100,442.35

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Solution

The fourth proportional to 170,601.31, 255,595.51 and 100,442.35 is: 150,483.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,601.31 : 255,595.51 = 100,442.35 : x
  2. Step 2: Convert to fraction form
    170,601.31/255,595.51 = 100,442.35/x
  3. Step 3: Cross multiply
    170,601.31x = 255,595.51 × 100,442.35
  4. Step 4: Simplify right side
    170,601.31x = 25,672,613,673.85
  5. Step 5: Solve for x
    x = 25,672,613,673.85/170,601.31
  6. Step 6: Final answer
    x = 150,483.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.