Home / 128,526.32-192,783.80-35,032.08

Finding the Fourth Proportional to 128,526.32, 192,783.80 and 35,032.08

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Solution

The fourth proportional to 128,526.32, 192,783.80 and 35,032.08 is: 52,546.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,526.32 : 192,783.80 = 35,032.08 : x
  2. Step 2: Convert to fraction form
    128,526.32/192,783.80 = 35,032.08/x
  3. Step 3: Cross multiply
    128,526.32x = 192,783.80 × 35,032.08
  4. Step 4: Simplify right side
    128,526.32x = 6,753,617,504.30
  5. Step 5: Solve for x
    x = 6,753,617,504.30/128,526.32
  6. Step 6: Final answer
    x = 52,546.57

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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.