Home / 319,703.16-441,205.02-183,781.20

Finding the Fourth Proportional to 319,703.16, 441,205.02 and 183,781.20

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Solution

The fourth proportional to 319,703.16, 441,205.02 and 183,781.20 is: 253,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,703.16 : 441,205.02 = 183,781.20 : x
  2. Step 2: Convert to fraction form
    319,703.16/441,205.02 = 183,781.20/x
  3. Step 3: Cross multiply
    319,703.16x = 441,205.02 × 183,781.20
  4. Step 4: Simplify right side
    319,703.16x = 81,085,188,021.62
  5. Step 5: Solve for x
    x = 81,085,188,021.62/319,703.16
  6. Step 6: Final answer
    x = 253,626.48

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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.