Home / 382,200.14-527,442.10-210,125.57

Finding the Fourth Proportional to 382,200.14, 527,442.10 and 210,125.57

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Solution

The fourth proportional to 382,200.14, 527,442.10 and 210,125.57 is: 289,976.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,200.14 : 527,442.10 = 210,125.57 : x
  2. Step 2: Convert to fraction form
    382,200.14/527,442.10 = 210,125.57/x
  3. Step 3: Cross multiply
    382,200.14x = 527,442.10 × 210,125.57
  4. Step 4: Simplify right side
    382,200.14x = 110,829,068,741.97
  5. Step 5: Solve for x
    x = 110,829,068,741.97/382,200.14
  6. Step 6: Final answer
    x = 289,976.52

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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.