Home / 224,431.50-309,721.95-123,835.98

Finding the Fourth Proportional to 224,431.50, 309,721.95 and 123,835.98

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Solution

The fourth proportional to 224,431.50, 309,721.95 and 123,835.98 is: 170,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,431.50 : 309,721.95 = 123,835.98 : x
  2. Step 2: Convert to fraction form
    224,431.50/309,721.95 = 123,835.98/x
  3. Step 3: Cross multiply
    224,431.50x = 309,721.95 × 123,835.98
  4. Step 4: Simplify right side
    224,431.50x = 38,354,721,205.76
  5. Step 5: Solve for x
    x = 38,354,721,205.76/224,431.50
  6. Step 6: Final answer
    x = 170,897.23

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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.