Home / 205,210.64-308,309.16-193,881.44

Finding the Fourth Proportional to 205,210.64, 308,309.16 and 193,881.44

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Solution

The fourth proportional to 205,210.64, 308,309.16 and 193,881.44 is: 291,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,210.64 : 308,309.16 = 193,881.44 : x
  2. Step 2: Convert to fraction form
    205,210.64/308,309.16 = 193,881.44/x
  3. Step 3: Cross multiply
    205,210.64x = 308,309.16 × 193,881.44
  4. Step 4: Simplify right side
    205,210.64x = 59,775,423,905.99
  5. Step 5: Solve for x
    x = 59,775,423,905.99/205,210.64
  6. Step 6: Final answer
    x = 291,288.13

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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.