Home / 147,002.10-220,503.15-100,346.10

Finding the Fourth Proportional to 147,002.10, 220,503.15 and 100,346.10

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Solution

The fourth proportional to 147,002.10, 220,503.15 and 100,346.10 is: 150,519.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,002.10 : 220,503.15 = 100,346.10 : x
  2. Step 2: Convert to fraction form
    147,002.10/220,503.15 = 100,346.10/x
  3. Step 3: Cross multiply
    147,002.10x = 220,503.15 × 100,346.10
  4. Step 4: Simplify right side
    147,002.10x = 22,126,631,140.22
  5. Step 5: Solve for x
    x = 22,126,631,140.22/147,002.10
  6. Step 6: Final answer
    x = 150,519.15

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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.