Home / 128,124.28-192,186.47-34,630.03

Finding the Fourth Proportional to 128,124.28, 192,186.47 and 34,630.03

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Solution

The fourth proportional to 128,124.28, 192,186.47 and 34,630.03 is: 51,945.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,124.28 : 192,186.47 = 34,630.03 : x
  2. Step 2: Convert to fraction form
    128,124.28/192,186.47 = 34,630.03/x
  3. Step 3: Cross multiply
    128,124.28x = 192,186.47 × 34,630.03
  4. Step 4: Simplify right side
    128,124.28x = 6,655,423,548.50
  5. Step 5: Solve for x
    x = 6,655,423,548.50/128,124.28
  6. Step 6: Final answer
    x = 51,945.06

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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.