Home / 128,632.04-193,013.84-61,240.24

Finding the Fourth Proportional to 128,632.04, 193,013.84 and 61,240.24

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Solution

The fourth proportional to 128,632.04, 193,013.84 and 61,240.24 is: 91,891.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,632.04 : 193,013.84 = 61,240.24 : x
  2. Step 2: Convert to fraction form
    128,632.04/193,013.84 = 61,240.24/x
  3. Step 3: Cross multiply
    128,632.04x = 193,013.84 × 61,240.24
  4. Step 4: Simplify right side
    128,632.04x = 11,820,213,884.92
  5. Step 5: Solve for x
    x = 11,820,213,884.92/128,632.04
  6. Step 6: Final answer
    x = 91,891.68

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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.