Home / 356,117.84-534,248.04-131,479.64

Finding the Fourth Proportional to 356,117.84, 534,248.04 and 131,479.64

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Solution

The fourth proportional to 356,117.84, 534,248.04 and 131,479.64 is: 197,245.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,117.84 : 534,248.04 = 131,479.64 : x
  2. Step 2: Convert to fraction form
    356,117.84/534,248.04 = 131,479.64/x
  3. Step 3: Cross multiply
    356,117.84x = 534,248.04 × 131,479.64
  4. Step 4: Simplify right side
    356,117.84x = 70,242,739,969.91
  5. Step 5: Solve for x
    x = 70,242,739,969.91/356,117.84
  6. Step 6: Final answer
    x = 197,245.78

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1.5x scale

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.