Home / 308,114.10-424,970.01-194,827.50

Finding the Fourth Proportional to 308,114.10, 424,970.01 and 194,827.50

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Solution

The fourth proportional to 308,114.10, 424,970.01 and 194,827.50 is: 268,718.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,114.10 : 424,970.01 = 194,827.50 : x
  2. Step 2: Convert to fraction form
    308,114.10/424,970.01 = 194,827.50/x
  3. Step 3: Cross multiply
    308,114.10x = 424,970.01 × 194,827.50
  4. Step 4: Simplify right side
    308,114.10x = 82,795,844,623.28
  5. Step 5: Solve for x
    x = 82,795,844,623.28/308,114.10
  6. Step 6: Final answer
    x = 268,718.13

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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.