Home / 162,890.12-224,767.48-91,252.52

Finding the Fourth Proportional to 162,890.12, 224,767.48 and 91,252.52

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Solution

The fourth proportional to 162,890.12, 224,767.48 and 91,252.52 is: 125,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,890.12 : 224,767.48 = 91,252.52 : x
  2. Step 2: Convert to fraction form
    162,890.12/224,767.48 = 91,252.52/x
  3. Step 3: Cross multiply
    162,890.12x = 224,767.48 × 91,252.52
  4. Step 4: Simplify right side
    162,890.12x = 20,510,598,964.05
  5. Step 5: Solve for x
    x = 20,510,598,964.05/162,890.12
  6. Step 6: Final answer
    x = 125,916.78

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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.