Home / 152,530.22-210,420.50-95,972.78

Finding the Fourth Proportional to 152,530.22, 210,420.50 and 95,972.78

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Solution

The fourth proportional to 152,530.22, 210,420.50 and 95,972.78 is: 132,397.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,530.22 : 210,420.50 = 95,972.78 : x
  2. Step 2: Convert to fraction form
    152,530.22/210,420.50 = 95,972.78/x
  3. Step 3: Cross multiply
    152,530.22x = 210,420.50 × 95,972.78
  4. Step 4: Simplify right side
    152,530.22x = 20,194,640,353.99
  5. Step 5: Solve for x
    x = 20,194,640,353.99/152,530.22
  6. Step 6: Final answer
    x = 132,397.63

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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.