Home / 105,602.21-158,390.10-34,518.90

Finding the Fourth Proportional to 105,602.21, 158,390.10 and 34,518.90

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Solution

The fourth proportional to 105,602.21, 158,390.10 and 34,518.90 is: 51,774.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,602.21 : 158,390.10 = 34,518.90 : x
  2. Step 2: Convert to fraction form
    105,602.21/158,390.10 = 34,518.90/x
  3. Step 3: Cross multiply
    105,602.21x = 158,390.10 × 34,518.90
  4. Step 4: Simplify right side
    105,602.21x = 5,467,451,626.91
  5. Step 5: Solve for x
    x = 5,467,451,626.91/105,602.21
  6. Step 6: Final answer
    x = 51,774.03

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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.