Home / 264,123.86-396,209.93-74,587.04

Finding the Fourth Proportional to 264,123.86, 396,209.93 and 74,587.04

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Solution

The fourth proportional to 264,123.86, 396,209.93 and 74,587.04 is: 111,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,123.86 : 396,209.93 = 74,587.04 : x
  2. Step 2: Convert to fraction form
    264,123.86/396,209.93 = 74,587.04/x
  3. Step 3: Cross multiply
    264,123.86x = 396,209.93 × 74,587.04
  4. Step 4: Simplify right side
    264,123.86x = 29,552,127,677.34
  5. Step 5: Solve for x
    x = 29,552,127,677.34/264,123.86
  6. Step 6: Final answer
    x = 111,887.39

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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.