Home / 292,543.08-403,687.14-165,231.72

Finding the Fourth Proportional to 292,543.08, 403,687.14 and 165,231.72

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Solution

The fourth proportional to 292,543.08, 403,687.14 and 165,231.72 is: 228,007.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,543.08 : 403,687.14 = 165,231.72 : x
  2. Step 2: Convert to fraction form
    292,543.08/403,687.14 = 165,231.72/x
  3. Step 3: Cross multiply
    292,543.08x = 403,687.14 × 165,231.72
  4. Step 4: Simplify right side
    292,543.08x = 66,701,920,484.08
  5. Step 5: Solve for x
    x = 66,701,920,484.08/292,543.08
  6. Step 6: Final answer
    x = 228,007.17

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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.