Home / 292,898.22-439,349.67-191,781.51

Finding the Fourth Proportional to 292,898.22, 439,349.67 and 191,781.51

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Solution

The fourth proportional to 292,898.22, 439,349.67 and 191,781.51 is: 287,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,898.22 : 439,349.67 = 191,781.51 : x
  2. Step 2: Convert to fraction form
    292,898.22/439,349.67 = 191,781.51/x
  3. Step 3: Cross multiply
    292,898.22x = 439,349.67 × 191,781.51
  4. Step 4: Simplify right side
    292,898.22x = 84,259,143,130.60
  5. Step 5: Solve for x
    x = 84,259,143,130.60/292,898.22
  6. Step 6: Final answer
    x = 287,673.80

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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.