Home / 388,940.10-583,176.78-152,000.52

Finding the Fourth Proportional to 388,940.10, 583,176.78 and 152,000.52

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Solution

The fourth proportional to 388,940.10, 583,176.78 and 152,000.52 is: 227,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,940.10 : 583,176.78 = 152,000.52 : x
  2. Step 2: Convert to fraction form
    388,940.10/583,176.78 = 152,000.52/x
  3. Step 3: Cross multiply
    388,940.10x = 583,176.78 × 152,000.52
  4. Step 4: Simplify right side
    388,940.10x = 88,643,173,811.93
  5. Step 5: Solve for x
    x = 88,643,173,811.93/388,940.10
  6. Step 6: Final answer
    x = 227,909.58

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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.