Home / 278,558.04-384,404.13-151,233.63

Finding the Fourth Proportional to 278,558.04, 384,404.13 and 151,233.63

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Solution

The fourth proportional to 278,558.04, 384,404.13 and 151,233.63 is: 208,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,558.04 : 384,404.13 = 151,233.63 : x
  2. Step 2: Convert to fraction form
    278,558.04/384,404.13 = 151,233.63/x
  3. Step 3: Cross multiply
    278,558.04x = 384,404.13 × 151,233.63
  4. Step 4: Simplify right side
    278,558.04x = 58,134,832,687.65
  5. Step 5: Solve for x
    x = 58,134,832,687.65/278,558.04
  6. Step 6: Final answer
    x = 208,699.17

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1.5x scale

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.