Home / 128,277.48-192,416.30-34,783.24

Finding the Fourth Proportional to 128,277.48, 192,416.30 and 34,783.24

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Solution

The fourth proportional to 128,277.48, 192,416.30 and 34,783.24 is: 52,174.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,277.48 : 192,416.30 = 34,783.24 : x
  2. Step 2: Convert to fraction form
    128,277.48/192,416.30 = 34,783.24/x
  3. Step 3: Cross multiply
    128,277.48x = 192,416.30 × 34,783.24
  4. Step 4: Simplify right side
    128,277.48x = 6,692,862,342.81
  5. Step 5: Solve for x
    x = 6,692,862,342.81/128,277.48
  6. Step 6: Final answer
    x = 52,174.88

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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.