Home / 364,898.40-503,555-203,756.18

Finding the Fourth Proportional to 364,898.40, 503,555 and 203,756.18

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Solution

The fourth proportional to 364,898.40, 503,555 and 203,756.18 is: 281,180.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,898.40 : 503,555 = 203,756.18 : x
  2. Step 2: Convert to fraction form
    364,898.40/503,555 = 203,756.18/x
  3. Step 3: Cross multiply
    364,898.40x = 503,555 × 203,756.18
  4. Step 4: Simplify right side
    364,898.40x = 102,602,443,219.90
  5. Step 5: Solve for x
    x = 102,602,443,219.90/364,898.40
  6. Step 6: Final answer
    x = 281,180.85

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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.