Home / 435,772.20-653,658.30-155,188.20

Finding the Fourth Proportional to 435,772.20, 653,658.30 and 155,188.20

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Solution

The fourth proportional to 435,772.20, 653,658.30 and 155,188.20 is: 232,782.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,772.20 : 653,658.30 = 155,188.20 : x
  2. Step 2: Convert to fraction form
    435,772.20/653,658.30 = 155,188.20/x
  3. Step 3: Cross multiply
    435,772.20x = 653,658.30 × 155,188.20
  4. Step 4: Simplify right side
    435,772.20x = 101,440,054,992.06
  5. Step 5: Solve for x
    x = 101,440,054,992.06/435,772.20
  6. Step 6: Final answer
    x = 232,782.30

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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.