Home / 230,100.11-317,636.13-154,692.35

Finding the Fourth Proportional to 230,100.11, 317,636.13 and 154,692.35

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Solution

The fourth proportional to 230,100.11, 317,636.13 and 154,692.35 is: 213,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,100.11 : 317,636.13 = 154,692.35 : x
  2. Step 2: Convert to fraction form
    230,100.11/317,636.13 = 154,692.35/x
  3. Step 3: Cross multiply
    230,100.11x = 317,636.13 × 154,692.35
  4. Step 4: Simplify right side
    230,100.11x = 49,135,877,806.42
  5. Step 5: Solve for x
    x = 49,135,877,806.42/230,100.11
  6. Step 6: Final answer
    x = 213,541.31

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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.