Home / 148,961.61-223,497.50-69,037.70

Finding the Fourth Proportional to 148,961.61, 223,497.50 and 69,037.70

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Solution

The fourth proportional to 148,961.61, 223,497.50 and 69,037.70 is: 103,582.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,961.61 : 223,497.50 = 69,037.70 : x
  2. Step 2: Convert to fraction form
    148,961.61/223,497.50 = 69,037.70/x
  3. Step 3: Cross multiply
    148,961.61x = 223,497.50 × 69,037.70
  4. Step 4: Simplify right side
    148,961.61x = 15,429,751,893.07
  5. Step 5: Solve for x
    x = 15,429,751,893.07/148,961.61
  6. Step 6: Final answer
    x = 103,582.07

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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.