Home / 190,336.61-262,545.59-122,442

Finding the Fourth Proportional to 190,336.61, 262,545.59 and 122,442

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Solution

The fourth proportional to 190,336.61, 262,545.59 and 122,442 is: 168,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,336.61 : 262,545.59 = 122,442 : x
  2. Step 2: Convert to fraction form
    190,336.61/262,545.59 = 122,442/x
  3. Step 3: Cross multiply
    190,336.61x = 262,545.59 × 122,442
  4. Step 4: Simplify right side
    190,336.61x = 32,146,606,518.57
  5. Step 5: Solve for x
    x = 32,146,606,518.57/190,336.61
  6. Step 6: Final answer
    x = 168,893.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.