Home / 128,037.06-192,065.85-34,541.46

Finding the Fourth Proportional to 128,037.06, 192,065.85 and 34,541.46

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Solution

The fourth proportional to 128,037.06, 192,065.85 and 34,541.46 is: 51,814.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,037.06 : 192,065.85 = 34,541.46 : x
  2. Step 2: Convert to fraction form
    128,037.06/192,065.85 = 34,541.46/x
  3. Step 3: Cross multiply
    128,037.06x = 192,065.85 × 34,541.46
  4. Step 4: Simplify right side
    128,037.06x = 6,634,234,875.14
  5. Step 5: Solve for x
    x = 6,634,234,875.14/128,037.06
  6. Step 6: Final answer
    x = 51,814.96

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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.