Home / 135,453.20-202,888.20-112,125.20

Finding the Fourth Proportional to 135,453.20, 202,888.20 and 112,125.20

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Solution

The fourth proportional to 135,453.20, 202,888.20 and 112,125.20 is: 167,946.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,453.20 : 202,888.20 = 112,125.20 : x
  2. Step 2: Convert to fraction form
    135,453.20/202,888.20 = 112,125.20/x
  3. Step 3: Cross multiply
    135,453.20x = 202,888.20 × 112,125.20
  4. Step 4: Simplify right side
    135,453.20x = 22,748,880,002.64
  5. Step 5: Solve for x
    x = 22,748,880,002.64/135,453.20
  6. Step 6: Final answer
    x = 167,946.42

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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.