Home / 355,108.40-532,776.04-127,250.15

Finding the Fourth Proportional to 355,108.40, 532,776.04 and 127,250.15

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Solution

The fourth proportional to 355,108.40, 532,776.04 and 127,250.15 is: 190,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,108.40 : 532,776.04 = 127,250.15 : x
  2. Step 2: Convert to fraction form
    355,108.40/532,776.04 = 127,250.15/x
  3. Step 3: Cross multiply
    355,108.40x = 532,776.04 × 127,250.15
  4. Step 4: Simplify right side
    355,108.40x = 67,795,832,020.22
  5. Step 5: Solve for x
    x = 67,795,832,020.22/355,108.40
  6. Step 6: Final answer
    x = 190,915.88

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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.