Home / 279,436.04-384,887.12-214,781.64

Finding the Fourth Proportional to 279,436.04, 384,887.12 and 214,781.64

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Solution

The fourth proportional to 279,436.04, 384,887.12 and 214,781.64 is: 295,834.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,436.04 : 384,887.12 = 214,781.64 : x
  2. Step 2: Convert to fraction form
    279,436.04/384,887.12 = 214,781.64/x
  3. Step 3: Cross multiply
    279,436.04x = 384,887.12 × 214,781.64
  4. Step 4: Simplify right side
    279,436.04x = 82,666,686,848.48
  5. Step 5: Solve for x
    x = 82,666,686,848.48/279,436.04
  6. Step 6: Final answer
    x = 295,834.02

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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.