Home / 242,639.10-364,002.54-82,706.22

Finding the Fourth Proportional to 242,639.10, 364,002.54 and 82,706.22

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Solution

The fourth proportional to 242,639.10, 364,002.54 and 82,706.22 is: 124,074.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,639.10 : 364,002.54 = 82,706.22 : x
  2. Step 2: Convert to fraction form
    242,639.10/364,002.54 = 82,706.22/x
  3. Step 3: Cross multiply
    242,639.10x = 364,002.54 × 82,706.22
  4. Step 4: Simplify right side
    242,639.10x = 30,105,274,153.80
  5. Step 5: Solve for x
    x = 30,105,274,153.80/242,639.10
  6. Step 6: Final answer
    x = 124,074.29

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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.