Home / 128,300.96-192,451.92-44,085.40

Finding the Fourth Proportional to 128,300.96, 192,451.92 and 44,085.40

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Solution

The fourth proportional to 128,300.96, 192,451.92 and 44,085.40 is: 66,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,300.96 : 192,451.92 = 44,085.40 : x
  2. Step 2: Convert to fraction form
    128,300.96/192,451.92 = 44,085.40/x
  3. Step 3: Cross multiply
    128,300.96x = 192,451.92 × 44,085.40
  4. Step 4: Simplify right side
    128,300.96x = 8,484,319,227.52
  5. Step 5: Solve for x
    x = 8,484,319,227.52/128,300.96
  6. Step 6: Final answer
    x = 66,128.26

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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.