Home / 170,514.16-235,458.12-106,961.20

Finding the Fourth Proportional to 170,514.16, 235,458.12 and 106,961.20

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Solution

The fourth proportional to 170,514.16, 235,458.12 and 106,961.20 is: 147,699.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,514.16 : 235,458.12 = 106,961.20 : x
  2. Step 2: Convert to fraction form
    170,514.16/235,458.12 = 106,961.20/x
  3. Step 3: Cross multiply
    170,514.16x = 235,458.12 × 106,961.20
  4. Step 4: Simplify right side
    170,514.16x = 25,184,883,064.94
  5. Step 5: Solve for x
    x = 25,184,883,064.94/170,514.16
  6. Step 6: Final answer
    x = 147,699.66

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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.