Home / 353,180.20-530,061.90-163,931.80

Finding the Fourth Proportional to 353,180.20, 530,061.90 and 163,931.80

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Solution

The fourth proportional to 353,180.20, 530,061.90 and 163,931.80 is: 246,033.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,180.20 : 530,061.90 = 163,931.80 : x
  2. Step 2: Convert to fraction form
    353,180.20/530,061.90 = 163,931.80/x
  3. Step 3: Cross multiply
    353,180.20x = 530,061.90 × 163,931.80
  4. Step 4: Simplify right side
    353,180.20x = 86,894,001,378.42
  5. Step 5: Solve for x
    x = 86,894,001,378.42/353,180.20
  6. Step 6: Final answer
    x = 246,033.05

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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.