Home / 320,275.37-441,980.12-175,081.79

Finding the Fourth Proportional to 320,275.37, 441,980.12 and 175,081.79

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Solution

The fourth proportional to 320,275.37, 441,980.12 and 175,081.79 is: 241,612.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,275.37 : 441,980.12 = 175,081.79 : x
  2. Step 2: Convert to fraction form
    320,275.37/441,980.12 = 175,081.79/x
  3. Step 3: Cross multiply
    320,275.37x = 441,980.12 × 175,081.79
  4. Step 4: Simplify right side
    320,275.37x = 77,382,670,783.56
  5. Step 5: Solve for x
    x = 77,382,670,783.56/320,275.37
  6. Step 6: Final answer
    x = 241,612.93

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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.