Home / 284,070.45-391,876.79-185,895.57

Finding the Fourth Proportional to 284,070.45, 391,876.79 and 185,895.57

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Solution

The fourth proportional to 284,070.45, 391,876.79 and 185,895.57 is: 256,443.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,070.45 : 391,876.79 = 185,895.57 : x
  2. Step 2: Convert to fraction form
    284,070.45/391,876.79 = 185,895.57/x
  3. Step 3: Cross multiply
    284,070.45x = 391,876.79 × 185,895.57
  4. Step 4: Simplify right side
    284,070.45x = 72,848,157,802.39
  5. Step 5: Solve for x
    x = 72,848,157,802.39/284,070.45
  6. Step 6: Final answer
    x = 256,443.99

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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.