Home / 318,827.03-439,975.94-175,600.40

Finding the Fourth Proportional to 318,827.03, 439,975.94 and 175,600.40

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Solution

The fourth proportional to 318,827.03, 439,975.94 and 175,600.40 is: 242,325.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,827.03 : 439,975.94 = 175,600.40 : x
  2. Step 2: Convert to fraction form
    318,827.03/439,975.94 = 175,600.40/x
  3. Step 3: Cross multiply
    318,827.03x = 439,975.94 × 175,600.40
  4. Step 4: Simplify right side
    318,827.03x = 77,259,949,293.50
  5. Step 5: Solve for x
    x = 77,259,949,293.50/318,827.03
  6. Step 6: Final answer
    x = 242,325.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.