Home / 292,788.50-403,886.72-202,192.02

Finding the Fourth Proportional to 292,788.50, 403,886.72 and 202,192.02

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Solution

The fourth proportional to 292,788.50, 403,886.72 and 202,192.02 is: 278,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,788.50 : 403,886.72 = 202,192.02 : x
  2. Step 2: Convert to fraction form
    292,788.50/403,886.72 = 202,192.02/x
  3. Step 3: Cross multiply
    292,788.50x = 403,886.72 × 202,192.02
  4. Step 4: Simplify right side
    292,788.50x = 81,662,671,767.97
  5. Step 5: Solve for x
    x = 81,662,671,767.97/292,788.50
  6. Step 6: Final answer
    x = 278,913.53

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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.