Home / 128,384.06-192,585.81-34,888.46

Finding the Fourth Proportional to 128,384.06, 192,585.81 and 34,888.46

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Solution

The fourth proportional to 128,384.06, 192,585.81 and 34,888.46 is: 52,335.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,384.06 : 192,585.81 = 34,888.46 : x
  2. Step 2: Convert to fraction form
    128,384.06/192,585.81 = 34,888.46/x
  3. Step 3: Cross multiply
    128,384.06x = 192,585.81 × 34,888.46
  4. Step 4: Simplify right side
    128,384.06x = 6,719,022,328.75
  5. Step 5: Solve for x
    x = 6,719,022,328.75/128,384.06
  6. Step 6: Final answer
    x = 52,335.33

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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.