Home / 128,567.42-192,975.52-62,054.38

Finding the Fourth Proportional to 128,567.42, 192,975.52 and 62,054.38

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Solution

The fourth proportional to 128,567.42, 192,975.52 and 62,054.38 is: 93,141.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,567.42 : 192,975.52 = 62,054.38 : x
  2. Step 2: Convert to fraction form
    128,567.42/192,975.52 = 62,054.38/x
  3. Step 3: Cross multiply
    128,567.42x = 192,975.52 × 62,054.38
  4. Step 4: Simplify right side
    128,567.42x = 11,974,976,248.78
  5. Step 5: Solve for x
    x = 11,974,976,248.78/128,567.42
  6. Step 6: Final answer
    x = 93,141.61

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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.