Home / 369,439.90-554,183.18-156,168.04

Finding the Fourth Proportional to 369,439.90, 554,183.18 and 156,168.04

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Solution

The fourth proportional to 369,439.90, 554,183.18 and 156,168.04 is: 234,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,439.90 : 554,183.18 = 156,168.04 : x
  2. Step 2: Convert to fraction form
    369,439.90/554,183.18 = 156,168.04/x
  3. Step 3: Cross multiply
    369,439.90x = 554,183.18 × 156,168.04
  4. Step 4: Simplify right side
    369,439.90x = 86,545,701,021.57
  5. Step 5: Solve for x
    x = 86,545,701,021.57/369,439.90
  6. Step 6: Final answer
    x = 234,261.92

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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.