Home / 224,149.77-336,225.74-66,381.21

Finding the Fourth Proportional to 224,149.77, 336,225.74 and 66,381.21

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Solution

The fourth proportional to 224,149.77, 336,225.74 and 66,381.21 is: 99,572.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,149.77 : 336,225.74 = 66,381.21 : x
  2. Step 2: Convert to fraction form
    224,149.77/336,225.74 = 66,381.21/x
  3. Step 3: Cross multiply
    224,149.77x = 336,225.74 × 66,381.21
  4. Step 4: Simplify right side
    224,149.77x = 22,319,071,122.44
  5. Step 5: Solve for x
    x = 22,319,071,122.44/224,149.77
  6. Step 6: Final answer
    x = 99,572.13

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1.5x scale

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.