Home / 385,968.24-532,665.72-242,850.96

Finding the Fourth Proportional to 385,968.24, 532,665.72 and 242,850.96

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Solution

The fourth proportional to 385,968.24, 532,665.72 and 242,850.96 is: 335,152.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,968.24 : 532,665.72 = 242,850.96 : x
  2. Step 2: Convert to fraction form
    385,968.24/532,665.72 = 242,850.96/x
  3. Step 3: Cross multiply
    385,968.24x = 532,665.72 × 242,850.96
  4. Step 4: Simplify right side
    385,968.24x = 129,358,381,461.09
  5. Step 5: Solve for x
    x = 129,358,381,461.09/385,968.24
  6. Step 6: Final answer
    x = 335,152.92

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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.