Home / 258,613.20-356,816.48-151,209.63

Finding the Fourth Proportional to 258,613.20, 356,816.48 and 151,209.63

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Solution

The fourth proportional to 258,613.20, 356,816.48 and 151,209.63 is: 208,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,613.20 : 356,816.48 = 151,209.63 : x
  2. Step 2: Convert to fraction form
    258,613.20/356,816.48 = 151,209.63/x
  3. Step 3: Cross multiply
    258,613.20x = 356,816.48 × 151,209.63
  4. Step 4: Simplify right side
    258,613.20x = 53,954,087,162.65
  5. Step 5: Solve for x
    x = 53,954,087,162.65/258,613.20
  6. Step 6: Final answer
    x = 208,628.51

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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.