Home / 224,518.60-309,840.18-123,916.36

Finding the Fourth Proportional to 224,518.60, 309,840.18 and 123,916.36

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Solution

The fourth proportional to 224,518.60, 309,840.18 and 123,916.36 is: 171,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,518.60 : 309,840.18 = 123,916.36 : x
  2. Step 2: Convert to fraction form
    224,518.60/309,840.18 = 123,916.36/x
  3. Step 3: Cross multiply
    224,518.60x = 309,840.18 × 123,916.36
  4. Step 4: Simplify right side
    224,518.60x = 38,394,267,287.34
  5. Step 5: Solve for x
    x = 38,394,267,287.34/224,518.60
  6. Step 6: Final answer
    x = 171,007.07

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1.5x scale

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.