Home / 128,044.32-192,066.48-34,557.36

Finding the Fourth Proportional to 128,044.32, 192,066.48 and 34,557.36

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Solution

The fourth proportional to 128,044.32, 192,066.48 and 34,557.36 is: 51,836.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,044.32 : 192,066.48 = 34,557.36 : x
  2. Step 2: Convert to fraction form
    128,044.32/192,066.48 = 34,557.36/x
  3. Step 3: Cross multiply
    128,044.32x = 192,066.48 × 34,557.36
  4. Step 4: Simplify right side
    128,044.32x = 6,637,310,493.29
  5. Step 5: Solve for x
    x = 6,637,310,493.29/128,044.32
  6. Step 6: Final answer
    x = 51,836.04

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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.