Home / 319,821.51-441,360.57-176,590.62

Finding the Fourth Proportional to 319,821.51, 441,360.57 and 176,590.62

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Solution

The fourth proportional to 319,821.51, 441,360.57 and 176,590.62 is: 243,698.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,821.51 : 441,360.57 = 176,590.62 : x
  2. Step 2: Convert to fraction form
    319,821.51/441,360.57 = 176,590.62/x
  3. Step 3: Cross multiply
    319,821.51x = 441,360.57 × 176,590.62
  4. Step 4: Simplify right side
    319,821.51x = 77,940,136,699.85
  5. Step 5: Solve for x
    x = 77,940,136,699.85/319,821.51
  6. Step 6: Final answer
    x = 243,698.86

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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.