Home / 128,320.59-192,425.87-44,089.23

Finding the Fourth Proportional to 128,320.59, 192,425.87 and 44,089.23

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Solution

The fourth proportional to 128,320.59, 192,425.87 and 44,089.23 is: 66,114.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,320.59 : 192,425.87 = 44,089.23 : x
  2. Step 2: Convert to fraction form
    128,320.59/192,425.87 = 44,089.23/x
  3. Step 3: Cross multiply
    128,320.59x = 192,425.87 × 44,089.23
  4. Step 4: Simplify right side
    128,320.59x = 8,483,908,219.93
  5. Step 5: Solve for x
    x = 8,483,908,219.93/128,320.59
  6. Step 6: Final answer
    x = 66,114.94

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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.