Home / 268,482.48-370,507.20-147,631.56

Finding the Fourth Proportional to 268,482.48, 370,507.20 and 147,631.56

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Solution

The fourth proportional to 268,482.48, 370,507.20 and 147,631.56 is: 203,732.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,482.48 : 370,507.20 = 147,631.56 : x
  2. Step 2: Convert to fraction form
    268,482.48/370,507.20 = 147,631.56/x
  3. Step 3: Cross multiply
    268,482.48x = 370,507.20 × 147,631.56
  4. Step 4: Simplify right side
    268,482.48x = 54,698,553,984.21
  5. Step 5: Solve for x
    x = 54,698,553,984.21/268,482.48
  6. Step 6: Final answer
    x = 203,732.31

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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.