Home / 205,565.51-308,381.49-63,377.50

Finding the Fourth Proportional to 205,565.51, 308,381.49 and 63,377.50

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Solution

The fourth proportional to 205,565.51, 308,381.49 and 63,377.50 is: 95,076.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,565.51 : 308,381.49 = 63,377.50 : x
  2. Step 2: Convert to fraction form
    205,565.51/308,381.49 = 63,377.50/x
  3. Step 3: Cross multiply
    205,565.51x = 308,381.49 × 63,377.50
  4. Step 4: Simplify right side
    205,565.51x = 19,544,447,111.52
  5. Step 5: Solve for x
    x = 19,544,447,111.52/205,565.51
  6. Step 6: Final answer
    x = 95,076.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.