Home / 292,288.12-403,357.38-158,152.12

Finding the Fourth Proportional to 292,288.12, 403,357.38 and 158,152.12

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Solution

The fourth proportional to 292,288.12, 403,357.38 and 158,152.12 is: 218,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,288.12 : 403,357.38 = 158,152.12 : x
  2. Step 2: Convert to fraction form
    292,288.12/403,357.38 = 158,152.12/x
  3. Step 3: Cross multiply
    292,288.12x = 403,357.38 × 158,152.12
  4. Step 4: Simplify right side
    292,288.12x = 63,791,824,764.65
  5. Step 5: Solve for x
    x = 63,791,824,764.65/292,288.12
  6. Step 6: Final answer
    x = 218,249.80

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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.