Home / 353,214.86-487,421.67-200,263.34

Finding the Fourth Proportional to 353,214.86, 487,421.67 and 200,263.34

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Solution

The fourth proportional to 353,214.86, 487,421.67 and 200,263.34 is: 276,354.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,214.86 : 487,421.67 = 200,263.34 : x
  2. Step 2: Convert to fraction form
    353,214.86/487,421.67 = 200,263.34/x
  3. Step 3: Cross multiply
    353,214.86x = 487,421.67 × 200,263.34
  4. Step 4: Simplify right side
    353,214.86x = 97,612,689,185.47
  5. Step 5: Solve for x
    x = 97,612,689,185.47/353,214.86
  6. Step 6: Final answer
    x = 276,354.99

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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.