Home / 308,273.08-462,440.40-83,637.04

Finding the Fourth Proportional to 308,273.08, 462,440.40 and 83,637.04

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Solution

The fourth proportional to 308,273.08, 462,440.40 and 83,637.04 is: 125,463.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,273.08 : 462,440.40 = 83,637.04 : x
  2. Step 2: Convert to fraction form
    308,273.08/462,440.40 = 83,637.04/x
  3. Step 3: Cross multiply
    308,273.08x = 462,440.40 × 83,637.04
  4. Step 4: Simplify right side
    308,273.08x = 38,677,146,232.42
  5. Step 5: Solve for x
    x = 38,677,146,232.42/308,273.08
  6. Step 6: Final answer
    x = 125,463.91

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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.