Home / 302,225.18-416,995.29-194,665.78

Finding the Fourth Proportional to 302,225.18, 416,995.29 and 194,665.78

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Solution

The fourth proportional to 302,225.18, 416,995.29 and 194,665.78 is: 268,590.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,225.18 : 416,995.29 = 194,665.78 : x
  2. Step 2: Convert to fraction form
    302,225.18/416,995.29 = 194,665.78/x
  3. Step 3: Cross multiply
    302,225.18x = 416,995.29 × 194,665.78
  4. Step 4: Simplify right side
    302,225.18x = 81,174,713,905.42
  5. Step 5: Solve for x
    x = 81,174,713,905.42/302,225.18
  6. Step 6: Final answer
    x = 268,590.18

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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.