Home / 302,507.40-454,089.15-190,314.30

Finding the Fourth Proportional to 302,507.40, 454,089.15 and 190,314.30

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Solution

The fourth proportional to 302,507.40, 454,089.15 and 190,314.30 is: 285,677.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,507.40 : 454,089.15 = 190,314.30 : x
  2. Step 2: Convert to fraction form
    302,507.40/454,089.15 = 190,314.30/x
  3. Step 3: Cross multiply
    302,507.40x = 454,089.15 × 190,314.30
  4. Step 4: Simplify right side
    302,507.40x = 86,419,658,719.85
  5. Step 5: Solve for x
    x = 86,419,658,719.85/302,507.40
  6. Step 6: Final answer
    x = 285,677.83

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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.