Home / 297,000.90-445,501.35-72,359.55

Finding the Fourth Proportional to 297,000.90, 445,501.35 and 72,359.55

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Solution

The fourth proportional to 297,000.90, 445,501.35 and 72,359.55 is: 108,539.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,000.90 : 445,501.35 = 72,359.55 : x
  2. Step 2: Convert to fraction form
    297,000.90/445,501.35 = 72,359.55/x
  3. Step 3: Cross multiply
    297,000.90x = 445,501.35 × 72,359.55
  4. Step 4: Simplify right side
    297,000.90x = 32,236,277,210.39
  5. Step 5: Solve for x
    x = 32,236,277,210.39/297,000.90
  6. Step 6: Final answer
    x = 108,539.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.