Home / 134,137.90-201,206.85-132,388.30

Finding the Fourth Proportional to 134,137.90, 201,206.85 and 132,388.30

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Solution

The fourth proportional to 134,137.90, 201,206.85 and 132,388.30 is: 198,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,137.90 : 201,206.85 = 132,388.30 : x
  2. Step 2: Convert to fraction form
    134,137.90/201,206.85 = 132,388.30/x
  3. Step 3: Cross multiply
    134,137.90x = 201,206.85 × 132,388.30
  4. Step 4: Simplify right side
    134,137.90x = 26,637,432,819.86
  5. Step 5: Solve for x
    x = 26,637,432,819.86/134,137.90
  6. Step 6: Final answer
    x = 198,582.45

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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.