Home / 356,160.12-534,248.06-128,473.94

Finding the Fourth Proportional to 356,160.12, 534,248.06 and 128,473.94

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Solution

The fourth proportional to 356,160.12, 534,248.06 and 128,473.94 is: 192,713.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,160.12 : 534,248.06 = 128,473.94 : x
  2. Step 2: Convert to fraction form
    356,160.12/534,248.06 = 128,473.94/x
  3. Step 3: Cross multiply
    356,160.12x = 534,248.06 × 128,473.94
  4. Step 4: Simplify right side
    356,160.12x = 68,636,954,380.58
  5. Step 5: Solve for x
    x = 68,636,954,380.58/356,160.12
  6. Step 6: Final answer
    x = 192,713.76

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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.