Home / 210,550.03-290,566.24-115,062.88

Finding the Fourth Proportional to 210,550.03, 290,566.24 and 115,062.88

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Solution

The fourth proportional to 210,550.03, 290,566.24 and 115,062.88 is: 158,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,550.03 : 290,566.24 = 115,062.88 : x
  2. Step 2: Convert to fraction form
    210,550.03/290,566.24 = 115,062.88/x
  3. Step 3: Cross multiply
    210,550.03x = 290,566.24 × 115,062.88
  4. Step 4: Simplify right side
    210,550.03x = 33,433,387,935.91
  5. Step 5: Solve for x
    x = 33,433,387,935.91/210,550.03
  6. Step 6: Final answer
    x = 158,790.70

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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.