Home / 382,218.58-527,461.98-210,139.47

Finding the Fourth Proportional to 382,218.58, 527,461.98 and 210,139.47

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Solution

The fourth proportional to 382,218.58, 527,461.98 and 210,139.47 is: 289,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,218.58 : 527,461.98 = 210,139.47 : x
  2. Step 2: Convert to fraction form
    382,218.58/527,461.98 = 210,139.47/x
  3. Step 3: Cross multiply
    382,218.58x = 527,461.98 × 210,139.47
  4. Step 4: Simplify right side
    382,218.58x = 110,840,580,528.34
  5. Step 5: Solve for x
    x = 110,840,580,528.34/382,218.58
  6. Step 6: Final answer
    x = 289,992.65

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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.