Home / 169,074.58-233,282.86-100,129.23

Finding the Fourth Proportional to 169,074.58, 233,282.86 and 100,129.23

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Solution

The fourth proportional to 169,074.58, 233,282.86 and 100,129.23 is: 138,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,074.58 : 233,282.86 = 100,129.23 : x
  2. Step 2: Convert to fraction form
    169,074.58/233,282.86 = 100,129.23/x
  3. Step 3: Cross multiply
    169,074.58x = 233,282.86 × 100,129.23
  4. Step 4: Simplify right side
    169,074.58x = 23,358,433,144.00
  5. Step 5: Solve for x
    x = 23,358,433,144.00/169,074.58
  6. Step 6: Final answer
    x = 138,154.61

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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.