Home / 128,296.98-192,445.56-34,802.73

Finding the Fourth Proportional to 128,296.98, 192,445.56 and 34,802.73

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Solution

The fourth proportional to 128,296.98, 192,445.56 and 34,802.73 is: 52,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,296.98 : 192,445.56 = 34,802.73 : x
  2. Step 2: Convert to fraction form
    128,296.98/192,445.56 = 34,802.73/x
  3. Step 3: Cross multiply
    128,296.98x = 192,445.56 × 34,802.73
  4. Step 4: Simplify right side
    128,296.98x = 6,697,630,864.38
  5. Step 5: Solve for x
    x = 6,697,630,864.38/128,296.98
  6. Step 6: Final answer
    x = 52,204.12

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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.